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Finding the Fourth Proportional to 83,134.59, 124,719.39 and 26,970.32

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Solution

The fourth proportional to 83,134.59, 124,719.39 and 26,970.32 is: 40,461.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,134.59 : 124,719.39 = 26,970.32 : x
  2. Step 2: Convert to fraction form
    83,134.59/124,719.39 = 26,970.32/x
  3. Step 3: Cross multiply
    83,134.59x = 124,719.39 × 26,970.32
  4. Step 4: Simplify right side
    83,134.59x = 3,363,721,234.91
  5. Step 5: Solve for x
    x = 3,363,721,234.91/83,134.59
  6. Step 6: Final answer
    x = 40,461.15

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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.