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Finding the Fourth Proportional to 160,117.56, 240,176.34 and 41,787.87

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Solution

The fourth proportional to 160,117.56, 240,176.34 and 41,787.87 is: 62,681.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,117.56 : 240,176.34 = 41,787.87 : x
  2. Step 2: Convert to fraction form
    160,117.56/240,176.34 = 41,787.87/x
  3. Step 3: Cross multiply
    160,117.56x = 240,176.34 × 41,787.87
  4. Step 4: Simplify right side
    160,117.56x = 10,036,458,798.82
  5. Step 5: Solve for x
    x = 10,036,458,798.82/160,117.56
  6. Step 6: Final answer
    x = 62,681.81

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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.