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Finding the Fourth Proportional to 259,062.72, 357,532.32 and 151,626.48

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Solution

The fourth proportional to 259,062.72, 357,532.32 and 151,626.48 is: 209,259.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,062.72 : 357,532.32 = 151,626.48 : x
  2. Step 2: Convert to fraction form
    259,062.72/357,532.32 = 151,626.48/x
  3. Step 3: Cross multiply
    259,062.72x = 357,532.32 × 151,626.48
  4. Step 4: Simplify right side
    259,062.72x = 54,211,367,167.83
  5. Step 5: Solve for x
    x = 54,211,367,167.83/259,062.72
  6. Step 6: Final answer
    x = 209,259.62

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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.