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Finding the Fourth Proportional to 160,606.21, 240,815.92 and 60,774.11

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Solution

The fourth proportional to 160,606.21, 240,815.92 and 60,774.11 is: 91,125.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,606.21 : 240,815.92 = 60,774.11 : x
  2. Step 2: Convert to fraction form
    160,606.21/240,815.92 = 60,774.11/x
  3. Step 3: Cross multiply
    160,606.21x = 240,815.92 × 60,774.11
  4. Step 4: Simplify right side
    160,606.21x = 14,635,373,211.83
  5. Step 5: Solve for x
    x = 14,635,373,211.83/160,606.21
  6. Step 6: Final answer
    x = 91,125.82

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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.