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Finding the Fourth Proportional to 125,807.20, 173,614.22 and 69,222.20

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Solution

The fourth proportional to 125,807.20, 173,614.22 and 69,222.20 is: 95,526.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,807.20 : 173,614.22 = 69,222.20 : x
  2. Step 2: Convert to fraction form
    125,807.20/173,614.22 = 69,222.20/x
  3. Step 3: Cross multiply
    125,807.20x = 173,614.22 × 69,222.20
  4. Step 4: Simplify right side
    125,807.20x = 12,017,958,259.68
  5. Step 5: Solve for x
    x = 12,017,958,259.68/125,807.20
  6. Step 6: Final answer
    x = 95,526.79

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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.