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Finding the Fourth Proportional to 108,186.40, 162,279.65 and 29,300.68

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Solution

The fourth proportional to 108,186.40, 162,279.65 and 29,300.68 is: 43,951.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,186.40 : 162,279.65 = 29,300.68 : x
  2. Step 2: Convert to fraction form
    108,186.40/162,279.65 = 29,300.68/x
  3. Step 3: Cross multiply
    108,186.40x = 162,279.65 × 29,300.68
  4. Step 4: Simplify right side
    108,186.40x = 4,754,904,095.16
  5. Step 5: Solve for x
    x = 4,754,904,095.16/108,186.40
  6. Step 6: Final answer
    x = 43,951.03

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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.