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Finding the Fourth Proportional to 181,355.84, 272,006.88 and 97,012.16

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Solution

The fourth proportional to 181,355.84, 272,006.88 and 97,012.16 is: 145,503.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,355.84 : 272,006.88 = 97,012.16 : x
  2. Step 2: Convert to fraction form
    181,355.84/272,006.88 = 97,012.16/x
  3. Step 3: Cross multiply
    181,355.84x = 272,006.88 × 97,012.16
  4. Step 4: Simplify right side
    181,355.84x = 26,387,974,963.66
  5. Step 5: Solve for x
    x = 26,387,974,963.66/181,355.84
  6. Step 6: Final answer
    x = 145,503.86

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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.