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Finding the Fourth Proportional to 174,820,130.80, 261,726,311.40 and 174,820,130.80

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Solution

The fourth proportional to 174,820,130.80, 261,726,311.40 and 174,820,130.80 is: 261,726,311.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,820,130.80 : 261,726,311.40 = 174,820,130.80 : x
  2. Step 2: Convert to fraction form
    174,820,130.80/261,726,311.40 = 174,820,130.80/x
  3. Step 3: Cross multiply
    174,820,130.80x = 261,726,311.40 × 174,820,130.80
  4. Step 4: Simplify right side
    174,820,130.80x = 45,755,027,992,749,536
  5. Step 5: Solve for x
    x = 45,755,027,992,749,536/174,820,130.80
  6. Step 6: Final answer
    x = 261,726,311.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.