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Finding the Fourth Proportional to 177,785.64, 266,622.86 and 59,429.28

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Solution

The fourth proportional to 177,785.64, 266,622.86 and 59,429.28 is: 89,125.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,785.64 : 266,622.86 = 59,429.28 : x
  2. Step 2: Convert to fraction form
    177,785.64/266,622.86 = 59,429.28/x
  3. Step 3: Cross multiply
    177,785.64x = 266,622.86 × 59,429.28
  4. Step 4: Simplify right side
    177,785.64x = 15,845,204,601.34
  5. Step 5: Solve for x
    x = 15,845,204,601.34/177,785.64
  6. Step 6: Final answer
    x = 89,125.33

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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.