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Finding the Fourth Proportional to 499,560.16, 749,432.68 and 158,089.58

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Solution

The fourth proportional to 499,560.16, 749,432.68 and 158,089.58 is: 237,163.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,560.16 : 749,432.68 = 158,089.58 : x
  2. Step 2: Convert to fraction form
    499,560.16/749,432.68 = 158,089.58/x
  3. Step 3: Cross multiply
    499,560.16x = 749,432.68 × 158,089.58
  4. Step 4: Simplify right side
    499,560.16x = 118,477,497,619.47
  5. Step 5: Solve for x
    x = 118,477,497,619.47/499,560.16
  6. Step 6: Final answer
    x = 237,163.62

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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.