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Finding the Fourth Proportional to 259,145.58, 357,633.12 and 151,750.20

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Solution

The fourth proportional to 259,145.58, 357,633.12 and 151,750.20 is: 209,422.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,145.58 : 357,633.12 = 151,750.20 : x
  2. Step 2: Convert to fraction form
    259,145.58/357,633.12 = 151,750.20/x
  3. Step 3: Cross multiply
    259,145.58x = 357,633.12 × 151,750.20
  4. Step 4: Simplify right side
    259,145.58x = 54,270,897,486.62
  5. Step 5: Solve for x
    x = 54,270,897,486.62/259,145.58
  6. Step 6: Final answer
    x = 209,422.43

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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.