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Finding the Fourth Proportional to 107,005.52, 160,532.60 and 57,059.28

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Solution

The fourth proportional to 107,005.52, 160,532.60 and 57,059.28 is: 85,601.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,005.52 : 160,532.60 = 57,059.28 : x
  2. Step 2: Convert to fraction form
    107,005.52/160,532.60 = 57,059.28/x
  3. Step 3: Cross multiply
    107,005.52x = 160,532.60 × 57,059.28
  4. Step 4: Simplify right side
    107,005.52x = 9,159,874,572.53
  5. Step 5: Solve for x
    x = 9,159,874,572.53/107,005.52
  6. Step 6: Final answer
    x = 85,601.89

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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.