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Finding the Fourth Proportional to 125,609.68, 173,339.41 and 69,019.84

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Solution

The fourth proportional to 125,609.68, 173,339.41 and 69,019.84 is: 95,246.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,609.68 : 173,339.41 = 69,019.84 : x
  2. Step 2: Convert to fraction form
    125,609.68/173,339.41 = 69,019.84/x
  3. Step 3: Cross multiply
    125,609.68x = 173,339.41 × 69,019.84
  4. Step 4: Simplify right side
    125,609.68x = 11,963,857,132.10
  5. Step 5: Solve for x
    x = 11,963,857,132.10/125,609.68
  6. Step 6: Final answer
    x = 95,246.30

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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.