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Finding the Fourth Proportional to 169,121.65, 233,375.03 and 93,668.53

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Solution

The fourth proportional to 169,121.65, 233,375.03 and 93,668.53 is: 129,255.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,121.65 : 233,375.03 = 93,668.53 : x
  2. Step 2: Convert to fraction form
    169,121.65/233,375.03 = 93,668.53/x
  3. Step 3: Cross multiply
    169,121.65x = 233,375.03 × 93,668.53
  4. Step 4: Simplify right side
    169,121.65x = 21,859,895,298.28
  5. Step 5: Solve for x
    x = 21,859,895,298.28/169,121.65
  6. Step 6: Final answer
    x = 129,255.45

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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.