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Finding the Fourth Proportional to 98,805.17, 148,209.96 and 35,630.39

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Solution

The fourth proportional to 98,805.17, 148,209.96 and 35,630.39 is: 53,446.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,805.17 : 148,209.96 = 35,630.39 : x
  2. Step 2: Convert to fraction form
    98,805.17/148,209.96 = 35,630.39/x
  3. Step 3: Cross multiply
    98,805.17x = 148,209.96 × 35,630.39
  4. Step 4: Simplify right side
    98,805.17x = 5,280,778,676.68
  5. Step 5: Solve for x
    x = 5,280,778,676.68/98,805.17
  6. Step 6: Final answer
    x = 53,446.38

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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.