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Finding the Fourth Proportional to 83,973.92, 115,878.74 and 46,248.17

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Solution

The fourth proportional to 83,973.92, 115,878.74 and 46,248.17 is: 63,819.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,973.92 : 115,878.74 = 46,248.17 : x
  2. Step 2: Convert to fraction form
    83,973.92/115,878.74 = 46,248.17/x
  3. Step 3: Cross multiply
    83,973.92x = 115,878.74 × 46,248.17
  4. Step 4: Simplify right side
    83,973.92x = 5,359,178,856.27
  5. Step 5: Solve for x
    x = 5,359,178,856.27/83,973.92
  6. Step 6: Final answer
    x = 63,819.57

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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.