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Finding the Fourth Proportional to 259,447.76, 358,044.25 and 144,725.56

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Solution

The fourth proportional to 259,447.76, 358,044.25 and 144,725.56 is: 199,724.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,447.76 : 358,044.25 = 144,725.56 : x
  2. Step 2: Convert to fraction form
    259,447.76/358,044.25 = 144,725.56/x
  3. Step 3: Cross multiply
    259,447.76x = 358,044.25 × 144,725.56
  4. Step 4: Simplify right side
    259,447.76x = 51,818,154,607.47
  5. Step 5: Solve for x
    x = 51,818,154,607.47/259,447.76
  6. Step 6: Final answer
    x = 199,724.81

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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.