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Finding the Fourth Proportional to 125,838.85, 173,657.64 and 69,250.22

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Solution

The fourth proportional to 125,838.85, 173,657.64 and 69,250.22 is: 95,565.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,838.85 : 173,657.64 = 69,250.22 : x
  2. Step 2: Convert to fraction form
    125,838.85/173,657.64 = 69,250.22/x
  3. Step 3: Cross multiply
    125,838.85x = 173,657.64 × 69,250.22
  4. Step 4: Simplify right side
    125,838.85x = 12,025,829,428.43
  5. Step 5: Solve for x
    x = 12,025,829,428.43/125,838.85
  6. Step 6: Final answer
    x = 95,565.32

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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.