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Finding the Fourth Proportional to 83,958.08, 115,862.32 and 46,232.40

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Solution

The fourth proportional to 83,958.08, 115,862.32 and 46,232.40 is: 63,800.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,958.08 : 115,862.32 = 46,232.40 : x
  2. Step 2: Convert to fraction form
    83,958.08/115,862.32 = 46,232.40/x
  3. Step 3: Cross multiply
    83,958.08x = 115,862.32 × 46,232.40
  4. Step 4: Simplify right side
    83,958.08x = 5,356,593,123.17
  5. Step 5: Solve for x
    x = 5,356,593,123.17/83,958.08
  6. Step 6: Final answer
    x = 63,800.81

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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.