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Finding the Fourth Proportional to 108,874.60, 163,350.30 and 105,034.60

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Solution

The fourth proportional to 108,874.60, 163,350.30 and 105,034.60 is: 157,588.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,874.60 : 163,350.30 = 105,034.60 : x
  2. Step 2: Convert to fraction form
    108,874.60/163,350.30 = 105,034.60/x
  3. Step 3: Cross multiply
    108,874.60x = 163,350.30 × 105,034.60
  4. Step 4: Simplify right side
    108,874.60x = 17,157,433,420.38
  5. Step 5: Solve for x
    x = 17,157,433,420.38/108,874.60
  6. Step 6: Final answer
    x = 157,588.95

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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.