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Finding the Fourth Proportional to 92,125.73, 138,189.51 and 38,826.72

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Solution

The fourth proportional to 92,125.73, 138,189.51 and 38,826.72 is: 58,240.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,125.73 : 138,189.51 = 38,826.72 : x
  2. Step 2: Convert to fraction form
    92,125.73/138,189.51 = 38,826.72/x
  3. Step 3: Cross multiply
    92,125.73x = 138,189.51 × 38,826.72
  4. Step 4: Simplify right side
    92,125.73x = 5,365,445,411.71
  5. Step 5: Solve for x
    x = 5,365,445,411.71/92,125.73
  6. Step 6: Final answer
    x = 58,240.47

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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.