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Finding the Fourth Proportional to 108,657.84, 163,008.62 and 38,542.62

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Solution

The fourth proportional to 108,657.84, 163,008.62 and 38,542.62 is: 57,821.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,657.84 : 163,008.62 = 38,542.62 : x
  2. Step 2: Convert to fraction form
    108,657.84/163,008.62 = 38,542.62/x
  3. Step 3: Cross multiply
    108,657.84x = 163,008.62 × 38,542.62
  4. Step 4: Simplify right side
    108,657.84x = 6,282,779,297.38
  5. Step 5: Solve for x
    x = 6,282,779,297.38/108,657.84
  6. Step 6: Final answer
    x = 57,821.68

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1.5x scale

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.