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Finding the Fourth Proportional to 92,437.44, 138,572.16 and 48,012.16

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Solution

The fourth proportional to 92,437.44, 138,572.16 and 48,012.16 is: 71,974.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,437.44 : 138,572.16 = 48,012.16 : x
  2. Step 2: Convert to fraction form
    92,437.44/138,572.16 = 48,012.16/x
  3. Step 3: Cross multiply
    92,437.44x = 138,572.16 × 48,012.16
  4. Step 4: Simplify right side
    92,437.44x = 6,653,148,717.47
  5. Step 5: Solve for x
    x = 6,653,148,717.47/92,437.44
  6. Step 6: Final answer
    x = 71,974.61

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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.