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Finding the Fourth Proportional to 176,432.40, 243,472.50 and 95,858.10

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Solution

The fourth proportional to 176,432.40, 243,472.50 and 95,858.10 is: 132,281.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,432.40 : 243,472.50 = 95,858.10 : x
  2. Step 2: Convert to fraction form
    176,432.40/243,472.50 = 95,858.10/x
  3. Step 3: Cross multiply
    176,432.40x = 243,472.50 × 95,858.10
  4. Step 4: Simplify right side
    176,432.40x = 23,338,811,252.25
  5. Step 5: Solve for x
    x = 23,338,811,252.25/176,432.40
  6. Step 6: Final answer
    x = 132,281.89

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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.