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Finding the Fourth Proportional to 242,332.64, 363,503.81 and 64,839.36

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Solution

The fourth proportional to 242,332.64, 363,503.81 and 64,839.36 is: 97,260.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,332.64 : 363,503.81 = 64,839.36 : x
  2. Step 2: Convert to fraction form
    242,332.64/363,503.81 = 64,839.36/x
  3. Step 3: Cross multiply
    242,332.64x = 363,503.81 × 64,839.36
  4. Step 4: Simplify right side
    242,332.64x = 23,569,354,560.06
  5. Step 5: Solve for x
    x = 23,569,354,560.06/242,332.64
  6. Step 6: Final answer
    x = 97,260.34

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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.