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Finding the Fourth Proportional to 267,973.45, 402,117.82 and 99,612.11

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Solution

The fourth proportional to 267,973.45, 402,117.82 and 99,612.11 is: 149,476.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,973.45 : 402,117.82 = 99,612.11 : x
  2. Step 2: Convert to fraction form
    267,973.45/402,117.82 = 99,612.11/x
  3. Step 3: Cross multiply
    267,973.45x = 402,117.82 × 99,612.11
  4. Step 4: Simplify right side
    267,973.45x = 40,055,805,275.06
  5. Step 5: Solve for x
    x = 40,055,805,275.06/267,973.45
  6. Step 6: Final answer
    x = 149,476.77

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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.