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Finding the Fourth Proportional to 83,775.70, 115,609.17 and 46,049.14

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Solution

The fourth proportional to 83,775.70, 115,609.17 and 46,049.14 is: 63,547.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,775.70 : 115,609.17 = 46,049.14 : x
  2. Step 2: Convert to fraction form
    83,775.70/115,609.17 = 46,049.14/x
  3. Step 3: Cross multiply
    83,775.70x = 115,609.17 × 46,049.14
  4. Step 4: Simplify right side
    83,775.70x = 5,323,702,854.61
  5. Step 5: Solve for x
    x = 5,323,702,854.61/83,775.70
  6. Step 6: Final answer
    x = 63,547.10

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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.