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Finding the Fourth Proportional to 157,324.65, 235,989.41 and 45,002.76

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Solution

The fourth proportional to 157,324.65, 235,989.41 and 45,002.76 is: 67,504.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,324.65 : 235,989.41 = 45,002.76 : x
  2. Step 2: Convert to fraction form
    157,324.65/235,989.41 = 45,002.76/x
  3. Step 3: Cross multiply
    157,324.65x = 235,989.41 × 45,002.76
  4. Step 4: Simplify right side
    157,324.65x = 10,620,174,780.77
  5. Step 5: Solve for x
    x = 10,620,174,780.77/157,324.65
  6. Step 6: Final answer
    x = 67,504.84

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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.