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Finding the Fourth Proportional to 73,705.68, 101,714.04 and 40,171.68

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Solution

The fourth proportional to 73,705.68, 101,714.04 and 40,171.68 is: 55,437.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,705.68 : 101,714.04 = 40,171.68 : x
  2. Step 2: Convert to fraction form
    73,705.68/101,714.04 = 40,171.68/x
  3. Step 3: Cross multiply
    73,705.68x = 101,714.04 × 40,171.68
  4. Step 4: Simplify right side
    73,705.68x = 4,086,023,866.39
  5. Step 5: Solve for x
    x = 4,086,023,866.39/73,705.68
  6. Step 6: Final answer
    x = 55,437.03

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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.