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Finding the Fourth Proportional to 150,544.85, 207,774.65 and 86,027.66

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Solution

The fourth proportional to 150,544.85, 207,774.65 and 86,027.66 is: 118,731.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,544.85 : 207,774.65 = 86,027.66 : x
  2. Step 2: Convert to fraction form
    150,544.85/207,774.65 = 86,027.66/x
  3. Step 3: Cross multiply
    150,544.85x = 207,774.65 × 86,027.66
  4. Step 4: Simplify right side
    150,544.85x = 17,874,367,036.12
  5. Step 5: Solve for x
    x = 17,874,367,036.12/150,544.85
  6. Step 6: Final answer
    x = 118,731.18

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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.