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Finding the Fourth Proportional to 160,209.66, 240,328.16 and 41,880.81

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Solution

The fourth proportional to 160,209.66, 240,328.16 and 41,880.81 is: 62,824.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,209.66 : 240,328.16 = 41,880.81 : x
  2. Step 2: Convert to fraction form
    160,209.66/240,328.16 = 41,880.81/x
  3. Step 3: Cross multiply
    160,209.66x = 240,328.16 × 41,880.81
  4. Step 4: Simplify right side
    160,209.66x = 10,065,138,006.61
  5. Step 5: Solve for x
    x = 10,065,138,006.61/160,209.66
  6. Step 6: Final answer
    x = 62,824.79

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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.