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Finding the Fourth Proportional to 255,449.52, 352,527.72 and 140,735.52

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Solution

The fourth proportional to 255,449.52, 352,527.72 and 140,735.52 is: 194,219.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,449.52 : 352,527.72 = 140,735.52 : x
  2. Step 2: Convert to fraction form
    255,449.52/352,527.72 = 140,735.52/x
  3. Step 3: Cross multiply
    255,449.52x = 352,527.72 × 140,735.52
  4. Step 4: Simplify right side
    255,449.52x = 49,613,171,988.61
  5. Step 5: Solve for x
    x = 49,613,171,988.61/255,449.52
  6. Step 6: Final answer
    x = 194,219.08

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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.