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Finding the Fourth Proportional to 160,405.15, 240,472.40 and 101,110.11

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Solution

The fourth proportional to 160,405.15, 240,472.40 and 101,110.11 is: 151,579.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,405.15 : 240,472.40 = 101,110.11 : x
  2. Step 2: Convert to fraction form
    160,405.15/240,472.40 = 101,110.11/x
  3. Step 3: Cross multiply
    160,405.15x = 240,472.40 × 101,110.11
  4. Step 4: Simplify right side
    160,405.15x = 24,314,190,815.96
  5. Step 5: Solve for x
    x = 24,314,190,815.96/160,405.15
  6. Step 6: Final answer
    x = 151,579.86

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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.