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Finding the Fourth Proportional to 91,250.68, 125,924.58 and 50,965.12

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Solution

The fourth proportional to 91,250.68, 125,924.58 and 50,965.12 is: 70,331.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,250.68 : 125,924.58 = 50,965.12 : x
  2. Step 2: Convert to fraction form
    91,250.68/125,924.58 = 50,965.12/x
  3. Step 3: Cross multiply
    91,250.68x = 125,924.58 × 50,965.12
  4. Step 4: Simplify right side
    91,250.68x = 6,417,761,330.65
  5. Step 5: Solve for x
    x = 6,417,761,330.65/91,250.68
  6. Step 6: Final answer
    x = 70,331.11

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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.