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Finding the Fourth Proportional to 101,674.14, 140,310.30 and 56,962.14

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Solution

The fourth proportional to 101,674.14, 140,310.30 and 56,962.14 is: 78,607.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,674.14 : 140,310.30 = 56,962.14 : x
  2. Step 2: Convert to fraction form
    101,674.14/140,310.30 = 56,962.14/x
  3. Step 3: Cross multiply
    101,674.14x = 140,310.30 × 56,962.14
  4. Step 4: Simplify right side
    101,674.14x = 7,992,374,952.04
  5. Step 5: Solve for x
    x = 7,992,374,952.04/101,674.14
  6. Step 6: Final answer
    x = 78,607.75

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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.