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Finding the Fourth Proportional to 73,114.13, 109,671.80 and 17,710.13

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Solution

The fourth proportional to 73,114.13, 109,671.80 and 17,710.13 is: 26,565.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,114.13 : 109,671.80 = 17,710.13 : x
  2. Step 2: Convert to fraction form
    73,114.13/109,671.80 = 17,710.13/x
  3. Step 3: Cross multiply
    73,114.13x = 109,671.80 × 17,710.13
  4. Step 4: Simplify right side
    73,114.13x = 1,942,301,198.42
  5. Step 5: Solve for x
    x = 1,942,301,198.42/73,114.13
  6. Step 6: Final answer
    x = 26,565.33

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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.