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Finding the Fourth Proportional to 159,572.64, 220,208.40 and 92,510.88

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Solution

The fourth proportional to 159,572.64, 220,208.40 and 92,510.88 is: 127,663.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,572.64 : 220,208.40 = 92,510.88 : x
  2. Step 2: Convert to fraction form
    159,572.64/220,208.40 = 92,510.88/x
  3. Step 3: Cross multiply
    159,572.64x = 220,208.40 × 92,510.88
  4. Step 4: Simplify right side
    159,572.64x = 20,371,672,867.39
  5. Step 5: Solve for x
    x = 20,371,672,867.39/159,572.64
  6. Step 6: Final answer
    x = 127,663.95

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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.