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Finding the Fourth Proportional to 160,750.74, 221,848.56 and 89,144.72

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Solution

The fourth proportional to 160,750.74, 221,848.56 and 89,144.72 is: 123,026.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,750.74 : 221,848.56 = 89,144.72 : x
  2. Step 2: Convert to fraction form
    160,750.74/221,848.56 = 89,144.72/x
  3. Step 3: Cross multiply
    160,750.74x = 221,848.56 × 89,144.72
  4. Step 4: Simplify right side
    160,750.74x = 19,776,626,654.36
  5. Step 5: Solve for x
    x = 19,776,626,654.36/160,750.74
  6. Step 6: Final answer
    x = 123,026.66

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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.