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Finding the Fourth Proportional to 117,176.92, 175,765.63 and 42,349.89

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Solution

The fourth proportional to 117,176.92, 175,765.63 and 42,349.89 is: 63,524.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,176.92 : 175,765.63 = 42,349.89 : x
  2. Step 2: Convert to fraction form
    117,176.92/175,765.63 = 42,349.89/x
  3. Step 3: Cross multiply
    117,176.92x = 175,765.63 × 42,349.89
  4. Step 4: Simplify right side
    117,176.92x = 7,443,655,096.28
  5. Step 5: Solve for x
    x = 7,443,655,096.28/117,176.92
  6. Step 6: Final answer
    x = 63,524.93

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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.