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Finding the Fourth Proportional to 122,763.42, 169,392.33 and 69,044.22

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Solution

The fourth proportional to 122,763.42, 169,392.33 and 69,044.22 is: 95,269.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,763.42 : 169,392.33 = 69,044.22 : x
  2. Step 2: Convert to fraction form
    122,763.42/169,392.33 = 69,044.22/x
  3. Step 3: Cross multiply
    122,763.42x = 169,392.33 × 69,044.22
  4. Step 4: Simplify right side
    122,763.42x = 11,695,561,298.83
  5. Step 5: Solve for x
    x = 11,695,561,298.83/122,763.42
  6. Step 6: Final answer
    x = 95,269.11

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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.