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Finding the Fourth Proportional to 108,889.65, 163,355.13 and 37,809.59

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Solution

The fourth proportional to 108,889.65, 163,355.13 and 37,809.59 is: 56,721.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,889.65 : 163,355.13 = 37,809.59 : x
  2. Step 2: Convert to fraction form
    108,889.65/163,355.13 = 37,809.59/x
  3. Step 3: Cross multiply
    108,889.65x = 163,355.13 × 37,809.59
  4. Step 4: Simplify right side
    108,889.65x = 6,176,389,672.92
  5. Step 5: Solve for x
    x = 6,176,389,672.92/108,889.65
  6. Step 6: Final answer
    x = 56,721.55

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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.