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Finding the Fourth Proportional to 103,032.16, 154,560.40 and 36,458.40

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Solution

The fourth proportional to 103,032.16, 154,560.40 and 36,458.40 is: 54,691.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,032.16 : 154,560.40 = 36,458.40 : x
  2. Step 2: Convert to fraction form
    103,032.16/154,560.40 = 36,458.40/x
  3. Step 3: Cross multiply
    103,032.16x = 154,560.40 × 36,458.40
  4. Step 4: Simplify right side
    103,032.16x = 5,635,024,887.36
  5. Step 5: Solve for x
    x = 5,635,024,887.36/103,032.16
  6. Step 6: Final answer
    x = 54,691.90

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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.