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Finding the Fourth Proportional to 79,381.76, 119,042.53 and 23,210.01

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Solution

The fourth proportional to 79,381.76, 119,042.53 and 23,210.01 is: 34,806.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,381.76 : 119,042.53 = 23,210.01 : x
  2. Step 2: Convert to fraction form
    79,381.76/119,042.53 = 23,210.01/x
  3. Step 3: Cross multiply
    79,381.76x = 119,042.53 × 23,210.01
  4. Step 4: Simplify right side
    79,381.76x = 2,762,978,253.70
  5. Step 5: Solve for x
    x = 2,762,978,253.70/79,381.76
  6. Step 6: Final answer
    x = 34,806.21

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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.