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Finding the Fourth Proportional to 259,572.45, 358,209.31 and 144,849.88

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Solution

The fourth proportional to 259,572.45, 358,209.31 and 144,849.88 is: 199,892.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,572.45 : 358,209.31 = 144,849.88 : x
  2. Step 2: Convert to fraction form
    259,572.45/358,209.31 = 144,849.88/x
  3. Step 3: Cross multiply
    259,572.45x = 358,209.31 × 144,849.88
  4. Step 4: Simplify right side
    259,572.45x = 51,886,575,568.38
  5. Step 5: Solve for x
    x = 51,886,575,568.38/259,572.45
  6. Step 6: Final answer
    x = 199,892.46

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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.