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Finding the Fourth Proportional to 261,759.39, 392,682.82 and 93,376.79

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Solution

The fourth proportional to 261,759.39, 392,682.82 and 93,376.79 is: 140,080.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,759.39 : 392,682.82 = 93,376.79 : x
  2. Step 2: Convert to fraction form
    261,759.39/392,682.82 = 93,376.79/x
  3. Step 3: Cross multiply
    261,759.39x = 392,682.82 × 93,376.79
  4. Step 4: Simplify right side
    261,759.39x = 36,667,461,219.75
  5. Step 5: Solve for x
    x = 36,667,461,219.75/261,759.39
  6. Step 6: Final answer
    x = 140,080.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.