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Finding the Fourth Proportional to 108,522.98, 162,750.99 and 38,386.16

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Solution

The fourth proportional to 108,522.98, 162,750.99 and 38,386.16 is: 57,567.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,522.98 : 162,750.99 = 38,386.16 : x
  2. Step 2: Convert to fraction form
    108,522.98/162,750.99 = 38,386.16/x
  3. Step 3: Cross multiply
    108,522.98x = 162,750.99 × 38,386.16
  4. Step 4: Simplify right side
    108,522.98x = 6,247,385,542.30
  5. Step 5: Solve for x
    x = 6,247,385,542.30/108,522.98
  6. Step 6: Final answer
    x = 57,567.40

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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.