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Finding the Fourth Proportional to 108,547.30, 162,822.63 and 38,377.54

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Solution

The fourth proportional to 108,547.30, 162,822.63 and 38,377.54 is: 57,566.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,547.30 : 162,822.63 = 38,377.54 : x
  2. Step 2: Convert to fraction form
    108,547.30/162,822.63 = 38,377.54/x
  3. Step 3: Cross multiply
    108,547.30x = 162,822.63 × 38,377.54
  4. Step 4: Simplify right side
    108,547.30x = 6,248,731,995.73
  5. Step 5: Solve for x
    x = 6,248,731,995.73/108,547.30
  6. Step 6: Final answer
    x = 57,566.90

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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.