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Finding the Fourth Proportional to 105,553.80, 158,330.16 and 26,668.08

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Solution

The fourth proportional to 105,553.80, 158,330.16 and 26,668.08 is: 40,001.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,553.80 : 158,330.16 = 26,668.08 : x
  2. Step 2: Convert to fraction form
    105,553.80/158,330.16 = 26,668.08/x
  3. Step 3: Cross multiply
    105,553.80x = 158,330.16 × 26,668.08
  4. Step 4: Simplify right side
    105,553.80x = 4,222,361,373.29
  5. Step 5: Solve for x
    x = 4,222,361,373.29/105,553.80
  6. Step 6: Final answer
    x = 40,001.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.