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Finding the Fourth Proportional to 291,002.93, 436,570.07 and 88,617.14

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Solution

The fourth proportional to 291,002.93, 436,570.07 and 88,617.14 is: 132,945.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,002.93 : 436,570.07 = 88,617.14 : x
  2. Step 2: Convert to fraction form
    291,002.93/436,570.07 = 88,617.14/x
  3. Step 3: Cross multiply
    291,002.93x = 436,570.07 × 88,617.14
  4. Step 4: Simplify right side
    291,002.93x = 38,687,588,387.06
  5. Step 5: Solve for x
    x = 38,687,588,387.06/291,002.93
  6. Step 6: Final answer
    x = 132,945.70

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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.