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Finding the Fourth Proportional to 83,402.88, 115,095.76 and 45,162.46

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Solution

The fourth proportional to 83,402.88, 115,095.76 and 45,162.46 is: 62,324.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,402.88 : 115,095.76 = 45,162.46 : x
  2. Step 2: Convert to fraction form
    83,402.88/115,095.76 = 45,162.46/x
  3. Step 3: Cross multiply
    83,402.88x = 115,095.76 × 45,162.46
  4. Step 4: Simplify right side
    83,402.88x = 5,198,007,657.17
  5. Step 5: Solve for x
    x = 5,198,007,657.17/83,402.88
  6. Step 6: Final answer
    x = 62,324.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.