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Finding the Fourth Proportional to 313,242.53, 469,882.76 and 88,620.01

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Solution

The fourth proportional to 313,242.53, 469,882.76 and 88,620.01 is: 132,935.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,242.53 : 469,882.76 = 88,620.01 : x
  2. Step 2: Convert to fraction form
    313,242.53/469,882.76 = 88,620.01/x
  3. Step 3: Cross multiply
    313,242.53x = 469,882.76 × 88,620.01
  4. Step 4: Simplify right side
    313,242.53x = 41,641,013,272.22
  5. Step 5: Solve for x
    x = 41,641,013,272.22/313,242.53
  6. Step 6: Final answer
    x = 132,935.38

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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.