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Finding the Fourth Proportional to 375,460.64, 563,191.13 and 91,151.55

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Solution

The fourth proportional to 375,460.64, 563,191.13 and 91,151.55 is: 136,727.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,460.64 : 563,191.13 = 91,151.55 : x
  2. Step 2: Convert to fraction form
    375,460.64/563,191.13 = 91,151.55/x
  3. Step 3: Cross multiply
    375,460.64x = 563,191.13 × 91,151.55
  4. Step 4: Simplify right side
    375,460.64x = 51,335,745,744.88
  5. Step 5: Solve for x
    x = 51,335,745,744.88/375,460.64
  6. Step 6: Final answer
    x = 136,727.37

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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.