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Finding the Fourth Proportional to 267,726.62, 369,459.30 and 153,003.98

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Solution

The fourth proportional to 267,726.62, 369,459.30 and 153,003.98 is: 211,143.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,726.62 : 369,459.30 = 153,003.98 : x
  2. Step 2: Convert to fraction form
    267,726.62/369,459.30 = 153,003.98/x
  3. Step 3: Cross multiply
    267,726.62x = 369,459.30 × 153,003.98
  4. Step 4: Simplify right side
    267,726.62x = 56,528,743,348.01
  5. Step 5: Solve for x
    x = 56,528,743,348.01/267,726.62
  6. Step 6: Final answer
    x = 211,143.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.