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Finding the Fourth Proportional to 261,226.71, 392,014.82 and 95,014.71

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Solution

The fourth proportional to 261,226.71, 392,014.82 and 95,014.71 is: 142,585.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,226.71 : 392,014.82 = 95,014.71 : x
  2. Step 2: Convert to fraction form
    261,226.71/392,014.82 = 95,014.71/x
  3. Step 3: Cross multiply
    261,226.71x = 392,014.82 × 95,014.71
  4. Step 4: Simplify right side
    261,226.71x = 37,247,173,962.93
  5. Step 5: Solve for x
    x = 37,247,173,962.93/261,226.71
  6. Step 6: Final answer
    x = 142,585.63

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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.