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Finding the Fourth Proportional to 176,553.76, 243,641.28 and 95,983.28

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Solution

The fourth proportional to 176,553.76, 243,641.28 and 95,983.28 is: 132,455.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,553.76 : 243,641.28 = 95,983.28 : x
  2. Step 2: Convert to fraction form
    176,553.76/243,641.28 = 95,983.28/x
  3. Step 3: Cross multiply
    176,553.76x = 243,641.28 × 95,983.28
  4. Step 4: Simplify right side
    176,553.76x = 23,385,489,197.80
  5. Step 5: Solve for x
    x = 23,385,489,197.80/176,553.76
  6. Step 6: Final answer
    x = 132,455.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.