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Finding the Fourth Proportional to 174,225, 240,503.94 and 117,712.92

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Solution

The fourth proportional to 174,225, 240,503.94 and 117,712.92 is: 162,493.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,225 : 240,503.94 = 117,712.92 : x
  2. Step 2: Convert to fraction form
    174,225/240,503.94 = 117,712.92/x
  3. Step 3: Cross multiply
    174,225x = 240,503.94 × 117,712.92
  4. Step 4: Simplify right side
    174,225x = 28,310,421,048.90
  5. Step 5: Solve for x
    x = 28,310,421,048.90/174,225
  6. Step 6: Final answer
    x = 162,493.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.