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Finding the Fourth Proportional to 92,332.44, 138,573.72 and 52,376.76

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Solution

The fourth proportional to 92,332.44, 138,573.72 and 52,376.76 is: 78,607.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,332.44 : 138,573.72 = 52,376.76 : x
  2. Step 2: Convert to fraction form
    92,332.44/138,573.72 = 52,376.76/x
  3. Step 3: Cross multiply
    92,332.44x = 138,573.72 × 52,376.76
  4. Step 4: Simplify right side
    92,332.44x = 7,258,042,474.75
  5. Step 5: Solve for x
    x = 7,258,042,474.75/92,332.44
  6. Step 6: Final answer
    x = 78,607.72

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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.