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Finding the Fourth Proportional to 125,853.75, 173,678.22 and 69,263.91

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Solution

The fourth proportional to 125,853.75, 173,678.22 and 69,263.91 is: 95,584.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,853.75 : 173,678.22 = 69,263.91 : x
  2. Step 2: Convert to fraction form
    125,853.75/173,678.22 = 69,263.91/x
  3. Step 3: Cross multiply
    125,853.75x = 173,678.22 × 69,263.91
  4. Step 4: Simplify right side
    125,853.75x = 12,029,632,599.04
  5. Step 5: Solve for x
    x = 12,029,632,599.04/125,853.75
  6. Step 6: Final answer
    x = 95,584.22

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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.