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Finding the Fourth Proportional to 255,382.86, 352,116.07 and 159,723.48

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Solution

The fourth proportional to 255,382.86, 352,116.07 and 159,723.48 is: 220,223.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,382.86 : 352,116.07 = 159,723.48 : x
  2. Step 2: Convert to fraction form
    255,382.86/352,116.07 = 159,723.48/x
  3. Step 3: Cross multiply
    255,382.86x = 352,116.07 × 159,723.48
  4. Step 4: Simplify right side
    255,382.86x = 56,241,204,064.32
  5. Step 5: Solve for x
    x = 56,241,204,064.32/255,382.86
  6. Step 6: Final answer
    x = 220,223.10

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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.