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Finding the Fourth Proportional to 101,374.38, 139,884.44 and 56,046.24

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Solution

The fourth proportional to 101,374.38, 139,884.44 and 56,046.24 is: 77,337.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,374.38 : 139,884.44 = 56,046.24 : x
  2. Step 2: Convert to fraction form
    101,374.38/139,884.44 = 56,046.24/x
  3. Step 3: Cross multiply
    101,374.38x = 139,884.44 × 56,046.24
  4. Step 4: Simplify right side
    101,374.38x = 7,839,996,616.27
  5. Step 5: Solve for x
    x = 7,839,996,616.27/101,374.38
  6. Step 6: Final answer
    x = 77,337.06

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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.