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Finding the Fourth Proportional to 174,440.80, 261,661.20 and 124,674.40

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Solution

The fourth proportional to 174,440.80, 261,661.20 and 124,674.40 is: 187,011.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,440.80 : 261,661.20 = 124,674.40 : x
  2. Step 2: Convert to fraction form
    174,440.80/261,661.20 = 124,674.40/x
  3. Step 3: Cross multiply
    174,440.80x = 261,661.20 × 124,674.40
  4. Step 4: Simplify right side
    174,440.80x = 32,622,453,113.28
  5. Step 5: Solve for x
    x = 32,622,453,113.28/174,440.80
  6. Step 6: Final answer
    x = 187,011.60

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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.