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Finding the Fourth Proportional to 255,575.01, 352,708.92 and 140,853.39

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Solution

The fourth proportional to 255,575.01, 352,708.92 and 140,853.39 is: 194,386.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,575.01 : 352,708.92 = 140,853.39 : x
  2. Step 2: Convert to fraction form
    255,575.01/352,708.92 = 140,853.39/x
  3. Step 3: Cross multiply
    255,575.01x = 352,708.92 × 140,853.39
  4. Step 4: Simplify right side
    255,575.01x = 49,680,247,065.24
  5. Step 5: Solve for x
    x = 49,680,247,065.24/255,575.01
  6. Step 6: Final answer
    x = 194,386.17

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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.