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Finding the Fourth Proportional to 83,913.36, 115,803.72 and 46,191.12

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Solution

The fourth proportional to 83,913.36, 115,803.72 and 46,191.12 is: 63,745.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,913.36 : 115,803.72 = 46,191.12 : x
  2. Step 2: Convert to fraction form
    83,913.36/115,803.72 = 46,191.12/x
  3. Step 3: Cross multiply
    83,913.36x = 115,803.72 × 46,191.12
  4. Step 4: Simplify right side
    83,913.36x = 5,349,103,526.97
  5. Step 5: Solve for x
    x = 5,349,103,526.97/83,913.36
  6. Step 6: Final answer
    x = 63,745.55

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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.