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Finding the Fourth Proportional to 159,444.88, 219,990.16 and 110,992.52

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Solution

The fourth proportional to 159,444.88, 219,990.16 and 110,992.52 is: 153,139.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,444.88 : 219,990.16 = 110,992.52 : x
  2. Step 2: Convert to fraction form
    159,444.88/219,990.16 = 110,992.52/x
  3. Step 3: Cross multiply
    159,444.88x = 219,990.16 × 110,992.52
  4. Step 4: Simplify right side
    159,444.88x = 24,417,262,233.60
  5. Step 5: Solve for x
    x = 24,417,262,233.60/159,444.88
  6. Step 6: Final answer
    x = 153,139.21

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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.