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Finding the Fourth Proportional to 177,607, 266,541.99 and 84,113.02

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Solution

The fourth proportional to 177,607, 266,541.99 and 84,113.02 is: 126,231.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,607 : 266,541.99 = 84,113.02 : x
  2. Step 2: Convert to fraction form
    177,607/266,541.99 = 84,113.02/x
  3. Step 3: Cross multiply
    177,607x = 266,541.99 × 84,113.02
  4. Step 4: Simplify right side
    177,607x = 22,419,651,735.71
  5. Step 5: Solve for x
    x = 22,419,651,735.71/177,607
  6. Step 6: Final answer
    x = 126,231.80

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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.