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Finding the Fourth Proportional to 261,270.77, 392,080.91 and 95,058.77

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Solution

The fourth proportional to 261,270.77, 392,080.91 and 95,058.77 is: 142,651.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,270.77 : 392,080.91 = 95,058.77 : x
  2. Step 2: Convert to fraction form
    261,270.77/392,080.91 = 95,058.77/x
  3. Step 3: Cross multiply
    261,270.77x = 392,080.91 × 95,058.77
  4. Step 4: Simplify right side
    261,270.77x = 37,270,726,609.38
  5. Step 5: Solve for x
    x = 37,270,726,609.38/261,270.77
  6. Step 6: Final answer
    x = 142,651.73

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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.