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Finding the Fourth Proportional to 92,659.95, 138,988.71 and 22,539.33

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Solution

The fourth proportional to 92,659.95, 138,988.71 and 22,539.33 is: 33,808.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,659.95 : 138,988.71 = 22,539.33 : x
  2. Step 2: Convert to fraction form
    92,659.95/138,988.71 = 22,539.33/x
  3. Step 3: Cross multiply
    92,659.95x = 138,988.71 × 22,539.33
  4. Step 4: Simplify right side
    92,659.95x = 3,132,712,400.96
  5. Step 5: Solve for x
    x = 3,132,712,400.96/92,659.95
  6. Step 6: Final answer
    x = 33,808.70

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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.