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Finding the Fourth Proportional to 92,575.71, 138,835.62 and 29,393.28

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Solution

The fourth proportional to 92,575.71, 138,835.62 and 29,393.28 is: 44,081.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,575.71 : 138,835.62 = 29,393.28 : x
  2. Step 2: Convert to fraction form
    92,575.71/138,835.62 = 29,393.28/x
  3. Step 3: Cross multiply
    92,575.71x = 138,835.62 × 29,393.28
  4. Step 4: Simplify right side
    92,575.71x = 4,080,834,252.63
  5. Step 5: Solve for x
    x = 4,080,834,252.63/92,575.71
  6. Step 6: Final answer
    x = 44,081.05

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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.