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Finding the Fourth Proportional to 267,490.17, 401,259.96 and 96,754.59

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Solution

The fourth proportional to 267,490.17, 401,259.96 and 96,754.59 is: 145,140.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,490.17 : 401,259.96 = 96,754.59 : x
  2. Step 2: Convert to fraction form
    267,490.17/401,259.96 = 96,754.59/x
  3. Step 3: Cross multiply
    267,490.17x = 401,259.96 × 96,754.59
  4. Step 4: Simplify right side
    267,490.17x = 38,823,742,913.22
  5. Step 5: Solve for x
    x = 38,823,742,913.22/267,490.17
  6. Step 6: Final answer
    x = 145,140.82

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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.