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Finding the Fourth Proportional to 73,846.20, 101,906.44 and 42,014.40

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Solution

The fourth proportional to 73,846.20, 101,906.44 and 42,014.40 is: 57,979.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,846.20 : 101,906.44 = 42,014.40 : x
  2. Step 2: Convert to fraction form
    73,846.20/101,906.44 = 42,014.40/x
  3. Step 3: Cross multiply
    73,846.20x = 101,906.44 × 42,014.40
  4. Step 4: Simplify right side
    73,846.20x = 4,281,537,932.74
  5. Step 5: Solve for x
    x = 4,281,537,932.74/73,846.20
  6. Step 6: Final answer
    x = 57,979.12

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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.