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Finding the Fourth Proportional to 158,378.76, 237,526.29 and 68,452.83

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Solution

The fourth proportional to 158,378.76, 237,526.29 and 68,452.83 is: 102,661.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,378.76 : 237,526.29 = 68,452.83 : x
  2. Step 2: Convert to fraction form
    158,378.76/237,526.29 = 68,452.83/x
  3. Step 3: Cross multiply
    158,378.76x = 237,526.29 × 68,452.83
  4. Step 4: Simplify right side
    158,378.76x = 16,259,346,749.90
  5. Step 5: Solve for x
    x = 16,259,346,749.90/158,378.76
  6. Step 6: Final answer
    x = 102,661.16

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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.