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Finding the Fourth Proportional to 108,985.68, 163,479.08 and 33,084.88

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Solution

The fourth proportional to 108,985.68, 163,479.08 and 33,084.88 is: 49,627.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,985.68 : 163,479.08 = 33,084.88 : x
  2. Step 2: Convert to fraction form
    108,985.68/163,479.08 = 33,084.88/x
  3. Step 3: Cross multiply
    108,985.68x = 163,479.08 × 33,084.88
  4. Step 4: Simplify right side
    108,985.68x = 5,408,685,744.31
  5. Step 5: Solve for x
    x = 5,408,685,744.31/108,985.68
  6. Step 6: Final answer
    x = 49,627.49

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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.