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Finding the Fourth Proportional to 92,034.48, 138,051.72 and 39,409.92

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Solution

The fourth proportional to 92,034.48, 138,051.72 and 39,409.92 is: 59,114.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,034.48 : 138,051.72 = 39,409.92 : x
  2. Step 2: Convert to fraction form
    92,034.48/138,051.72 = 39,409.92/x
  3. Step 3: Cross multiply
    92,034.48x = 138,051.72 × 39,409.92
  4. Step 4: Simplify right side
    92,034.48x = 5,440,607,241.06
  5. Step 5: Solve for x
    x = 5,440,607,241.06/92,034.48
  6. Step 6: Final answer
    x = 59,114.88

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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.