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Finding the Fourth Proportional to 83,973.87, 115,878.67 and 46,248.12

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Solution

The fourth proportional to 83,973.87, 115,878.67 and 46,248.12 is: 63,819.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,973.87 : 115,878.67 = 46,248.12 : x
  2. Step 2: Convert to fraction form
    83,973.87/115,878.67 = 46,248.12/x
  3. Step 3: Cross multiply
    83,973.87x = 115,878.67 × 46,248.12
  4. Step 4: Simplify right side
    83,973.87x = 5,359,170,635.60
  5. Step 5: Solve for x
    x = 5,359,170,635.60/83,973.87
  6. Step 6: Final answer
    x = 63,819.50

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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.