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Finding the Fourth Proportional to 255,226.61, 352,206.51 and 140,504.32

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Solution

The fourth proportional to 255,226.61, 352,206.51 and 140,504.32 is: 193,892.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,226.61 : 352,206.51 = 140,504.32 : x
  2. Step 2: Convert to fraction form
    255,226.61/352,206.51 = 140,504.32/x
  3. Step 3: Cross multiply
    255,226.61x = 352,206.51 × 140,504.32
  4. Step 4: Simplify right side
    255,226.61x = 49,486,533,723.57
  5. Step 5: Solve for x
    x = 49,486,533,723.57/255,226.61
  6. Step 6: Final answer
    x = 193,892.54

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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.