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Finding the Fourth Proportional to 480,063.48, 719,589.78 and 160,129.68

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Solution

The fourth proportional to 480,063.48, 719,589.78 and 160,129.68 is: 240,025.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,063.48 : 719,589.78 = 160,129.68 : x
  2. Step 2: Convert to fraction form
    480,063.48/719,589.78 = 160,129.68/x
  3. Step 3: Cross multiply
    480,063.48x = 719,589.78 × 160,129.68
  4. Step 4: Simplify right side
    480,063.48x = 115,227,681,202.67
  5. Step 5: Solve for x
    x = 115,227,681,202.67/480,063.48
  6. Step 6: Final answer
    x = 240,025.93

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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.