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Finding the Fourth Proportional to 92,153.59, 138,230.43 and 25,593.72

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Solution

The fourth proportional to 92,153.59, 138,230.43 and 25,593.72 is: 38,390.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,153.59 : 138,230.43 = 25,593.72 : x
  2. Step 2: Convert to fraction form
    92,153.59/138,230.43 = 25,593.72/x
  3. Step 3: Cross multiply
    92,153.59x = 138,230.43 × 25,593.72
  4. Step 4: Simplify right side
    92,153.59x = 3,537,830,306.56
  5. Step 5: Solve for x
    x = 3,537,830,306.56/92,153.59
  6. Step 6: Final answer
    x = 38,390.59

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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.