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Finding the Fourth Proportional to 92,531.58, 138,798.50 and 32,561.84

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Solution

The fourth proportional to 92,531.58, 138,798.50 and 32,561.84 is: 48,843.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,531.58 : 138,798.50 = 32,561.84 : x
  2. Step 2: Convert to fraction form
    92,531.58/138,798.50 = 32,561.84/x
  3. Step 3: Cross multiply
    92,531.58x = 138,798.50 × 32,561.84
  4. Step 4: Simplify right side
    92,531.58x = 4,519,535,008.17
  5. Step 5: Solve for x
    x = 4,519,535,008.17/92,531.58
  6. Step 6: Final answer
    x = 48,843.16

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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.