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Finding the Fourth Proportional to 177,695.52, 266,411.28 and 107,558.40

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Solution

The fourth proportional to 177,695.52, 266,411.28 and 107,558.40 is: 161,257.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,695.52 : 266,411.28 = 107,558.40 : x
  2. Step 2: Convert to fraction form
    177,695.52/266,411.28 = 107,558.40/x
  3. Step 3: Cross multiply
    177,695.52x = 266,411.28 × 107,558.40
  4. Step 4: Simplify right side
    177,695.52x = 28,654,771,018.75
  5. Step 5: Solve for x
    x = 28,654,771,018.75/177,695.52
  6. Step 6: Final answer
    x = 161,257.70

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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.