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Finding the Fourth Proportional to 142,492.68, 213,797.87 and 62,489.24

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Solution

The fourth proportional to 142,492.68, 213,797.87 and 62,489.24 is: 93,759.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,492.68 : 213,797.87 = 62,489.24 : x
  2. Step 2: Convert to fraction form
    142,492.68/213,797.87 = 62,489.24/x
  3. Step 3: Cross multiply
    142,492.68x = 213,797.87 × 62,489.24
  4. Step 4: Simplify right side
    142,492.68x = 13,360,065,028.48
  5. Step 5: Solve for x
    x = 13,360,065,028.48/142,492.68
  6. Step 6: Final answer
    x = 93,759.66

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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.