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Finding the Fourth Proportional to 292,052.50, 438,156.51 and 92,376.52

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Solution

The fourth proportional to 292,052.50, 438,156.51 and 92,376.52 is: 138,589.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,052.50 : 438,156.51 = 92,376.52 : x
  2. Step 2: Convert to fraction form
    292,052.50/438,156.51 = 92,376.52/x
  3. Step 3: Cross multiply
    292,052.50x = 438,156.51 × 92,376.52
  4. Step 4: Simplify right side
    292,052.50x = 40,475,373,609.15
  5. Step 5: Solve for x
    x = 40,475,373,609.15/292,052.50
  6. Step 6: Final answer
    x = 138,589.38

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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.