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Finding the Fourth Proportional to 108,883.80, 163,326.69 and 30,002.40

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Solution

The fourth proportional to 108,883.80, 163,326.69 and 30,002.40 is: 45,003.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,883.80 : 163,326.69 = 30,002.40 : x
  2. Step 2: Convert to fraction form
    108,883.80/163,326.69 = 30,002.40/x
  3. Step 3: Cross multiply
    108,883.80x = 163,326.69 × 30,002.40
  4. Step 4: Simplify right side
    108,883.80x = 4,900,192,684.06
  5. Step 5: Solve for x
    x = 4,900,192,684.06/108,883.80
  6. Step 6: Final answer
    x = 45,003.87

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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.