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Finding the Fourth Proportional to 158,859.60, 237,926.48 and 75,811.92

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Solution

The fourth proportional to 158,859.60, 237,926.48 and 75,811.92 is: 113,544.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,859.60 : 237,926.48 = 75,811.92 : x
  2. Step 2: Convert to fraction form
    158,859.60/237,926.48 = 75,811.92/x
  3. Step 3: Cross multiply
    158,859.60x = 237,926.48 × 75,811.92
  4. Step 4: Simplify right side
    158,859.60x = 18,037,663,267.64
  5. Step 5: Solve for x
    x = 18,037,663,267.64/158,859.60
  6. Step 6: Final answer
    x = 113,544.69

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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.