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Finding the Fourth Proportional to 252,663.40, 348,720.42 and 150,695.08

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Solution

The fourth proportional to 252,663.40, 348,720.42 and 150,695.08 is: 207,986.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,663.40 : 348,720.42 = 150,695.08 : x
  2. Step 2: Convert to fraction form
    252,663.40/348,720.42 = 150,695.08/x
  3. Step 3: Cross multiply
    252,663.40x = 348,720.42 × 150,695.08
  4. Step 4: Simplify right side
    252,663.40x = 52,550,451,589.53
  5. Step 5: Solve for x
    x = 52,550,451,589.53/252,663.40
  6. Step 6: Final answer
    x = 207,986.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.