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Finding the Fourth Proportional to 185,614.94, 278,027.13 and 90,699.14

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Solution

The fourth proportional to 185,614.94, 278,027.13 and 90,699.14 is: 135,855.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,614.94 : 278,027.13 = 90,699.14 : x
  2. Step 2: Convert to fraction form
    185,614.94/278,027.13 = 90,699.14/x
  3. Step 3: Cross multiply
    185,614.94x = 278,027.13 × 90,699.14
  4. Step 4: Simplify right side
    185,614.94x = 25,216,821,587.67
  5. Step 5: Solve for x
    x = 25,216,821,587.67/185,614.94
  6. Step 6: Final answer
    x = 135,855.56

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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.