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Finding the Fourth Proportional to 125,967.45, 173,827.11 and 69,378.83

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Solution

The fourth proportional to 125,967.45, 173,827.11 and 69,378.83 is: 95,738.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,967.45 : 173,827.11 = 69,378.83 : x
  2. Step 2: Convert to fraction form
    125,967.45/173,827.11 = 69,378.83/x
  3. Step 3: Cross multiply
    125,967.45x = 173,827.11 × 69,378.83
  4. Step 4: Simplify right side
    125,967.45x = 12,059,921,514.08
  5. Step 5: Solve for x
    x = 12,059,921,514.08/125,967.45
  6. Step 6: Final answer
    x = 95,738.40

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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.