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Finding the Fourth Proportional to 125,838.93, 173,658.06 and 69,250.30

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Solution

The fourth proportional to 125,838.93, 173,658.06 and 69,250.30 is: 95,565.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,838.93 : 173,658.06 = 69,250.30 : x
  2. Step 2: Convert to fraction form
    125,838.93/173,658.06 = 69,250.30/x
  3. Step 3: Cross multiply
    125,838.93x = 173,658.06 × 69,250.30
  4. Step 4: Simplify right side
    125,838.93x = 12,025,872,752.42
  5. Step 5: Solve for x
    x = 12,025,872,752.42/125,838.93
  6. Step 6: Final answer
    x = 95,565.60

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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.