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Finding the Fourth Proportional to 259,076.77, 357,520.55 and 144,354.95

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Solution

The fourth proportional to 259,076.77, 357,520.55 and 144,354.95 is: 199,206.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,076.77 : 357,520.55 = 144,354.95 : x
  2. Step 2: Convert to fraction form
    259,076.77/357,520.55 = 144,354.95/x
  3. Step 3: Cross multiply
    259,076.77x = 357,520.55 × 144,354.95
  4. Step 4: Simplify right side
    259,076.77x = 51,609,862,373.91
  5. Step 5: Solve for x
    x = 51,609,862,373.91/259,076.77
  6. Step 6: Final answer
    x = 199,206.83

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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.