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Finding the Fourth Proportional to 108,101.17, 149,230.17 and 62,770.32

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Solution

The fourth proportional to 108,101.17, 149,230.17 and 62,770.32 is: 86,652.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,101.17 : 149,230.17 = 62,770.32 : x
  2. Step 2: Convert to fraction form
    108,101.17/149,230.17 = 62,770.32/x
  3. Step 3: Cross multiply
    108,101.17x = 149,230.17 × 62,770.32
  4. Step 4: Simplify right side
    108,101.17x = 9,367,225,281.39
  5. Step 5: Solve for x
    x = 9,367,225,281.39/108,101.17
  6. Step 6: Final answer
    x = 86,652.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.