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Finding the Fourth Proportional to 108,914.60, 163,250.40 and 42,332.60

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Solution

The fourth proportional to 108,914.60, 163,250.40 and 42,332.60 is: 63,451.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,914.60 : 163,250.40 = 42,332.60 : x
  2. Step 2: Convert to fraction form
    108,914.60/163,250.40 = 42,332.60/x
  3. Step 3: Cross multiply
    108,914.60x = 163,250.40 × 42,332.60
  4. Step 4: Simplify right side
    108,914.60x = 6,910,813,883.04
  5. Step 5: Solve for x
    x = 6,910,813,883.04/108,914.60
  6. Step 6: Final answer
    x = 63,451.68

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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.