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Finding the Fourth Proportional to 267,486.95, 401,282.90 and 99,008.70

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Solution

The fourth proportional to 267,486.95, 401,282.90 and 99,008.70 is: 148,532.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,486.95 : 401,282.90 = 99,008.70 : x
  2. Step 2: Convert to fraction form
    267,486.95/401,282.90 = 99,008.70/x
  3. Step 3: Cross multiply
    267,486.95x = 401,282.90 × 99,008.70
  4. Step 4: Simplify right side
    267,486.95x = 39,730,497,766.19
  5. Step 5: Solve for x
    x = 39,730,497,766.19/267,486.95
  6. Step 6: Final answer
    x = 148,532.47

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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.