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Finding the Fourth Proportional to 98,388.40, 135,737.40 and 60,597.04

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Solution

The fourth proportional to 98,388.40, 135,737.40 and 60,597.04 is: 83,600.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,388.40 : 135,737.40 = 60,597.04 : x
  2. Step 2: Convert to fraction form
    98,388.40/135,737.40 = 60,597.04/x
  3. Step 3: Cross multiply
    98,388.40x = 135,737.40 × 60,597.04
  4. Step 4: Simplify right side
    98,388.40x = 8,225,284,657.30
  5. Step 5: Solve for x
    x = 8,225,284,657.30/98,388.40
  6. Step 6: Final answer
    x = 83,600.15

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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.