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Finding the Fourth Proportional to 92,275.97, 138,364.71 and 47,792.39

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Solution

The fourth proportional to 92,275.97, 138,364.71 and 47,792.39 is: 71,663.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,275.97 : 138,364.71 = 47,792.39 : x
  2. Step 2: Convert to fraction form
    92,275.97/138,364.71 = 47,792.39/x
  3. Step 3: Cross multiply
    92,275.97x = 138,364.71 × 47,792.39
  4. Step 4: Simplify right side
    92,275.97x = 6,612,779,490.73
  5. Step 5: Solve for x
    x = 6,612,779,490.73/92,275.97
  6. Step 6: Final answer
    x = 71,663.08

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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.