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Finding the Fourth Proportional to 92,451.68, 138,677.82 and 25,892.16

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Solution

The fourth proportional to 92,451.68, 138,677.82 and 25,892.16 is: 38,838.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,451.68 : 138,677.82 = 25,892.16 : x
  2. Step 2: Convert to fraction form
    92,451.68/138,677.82 = 25,892.16/x
  3. Step 3: Cross multiply
    92,451.68x = 138,677.82 × 25,892.16
  4. Step 4: Simplify right side
    92,451.68x = 3,590,668,303.89
  5. Step 5: Solve for x
    x = 3,590,668,303.89/92,451.68
  6. Step 6: Final answer
    x = 38,838.33

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1.5x scale

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.