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Finding the Fourth Proportional to 265,620.02, 398,489.22 and 97,136.62

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Solution

The fourth proportional to 265,620.02, 398,489.22 and 97,136.62 is: 145,726.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,620.02 : 398,489.22 = 97,136.62 : x
  2. Step 2: Convert to fraction form
    265,620.02/398,489.22 = 97,136.62/x
  3. Step 3: Cross multiply
    265,620.02x = 398,489.22 × 97,136.62
  4. Step 4: Simplify right side
    265,620.02x = 38,707,894,941.01
  5. Step 5: Solve for x
    x = 38,707,894,941.01/265,620.02
  6. Step 6: Final answer
    x = 145,726.57

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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.