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Finding the Fourth Proportional to 92,238.23, 138,343.53 and 25,671.53

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Solution

The fourth proportional to 92,238.23, 138,343.53 and 25,671.53 is: 38,503.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,238.23 : 138,343.53 = 25,671.53 : x
  2. Step 2: Convert to fraction form
    92,238.23/138,343.53 = 25,671.53/x
  3. Step 3: Cross multiply
    92,238.23x = 138,343.53 × 25,671.53
  4. Step 4: Simplify right side
    92,238.23x = 3,551,490,080.70
  5. Step 5: Solve for x
    x = 3,551,490,080.70/92,238.23
  6. Step 6: Final answer
    x = 38,503.45

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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.