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Finding the Fourth Proportional to 160,425.74, 240,875.15 and 89,486.97

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Solution

The fourth proportional to 160,425.74, 240,875.15 and 89,486.97 is: 134,362.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,425.74 : 240,875.15 = 89,486.97 : x
  2. Step 2: Convert to fraction form
    160,425.74/240,875.15 = 89,486.97/x
  3. Step 3: Cross multiply
    160,425.74x = 240,875.15 × 89,486.97
  4. Step 4: Simplify right side
    160,425.74x = 21,555,186,874.36
  5. Step 5: Solve for x
    x = 21,555,186,874.36/160,425.74
  6. Step 6: Final answer
    x = 134,362.40

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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.