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Finding the Fourth Proportional to 261,525, 392,345.82 and 95,313

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Solution

The fourth proportional to 261,525, 392,345.82 and 95,313 is: 142,990.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,525 : 392,345.82 = 95,313 : x
  2. Step 2: Convert to fraction form
    261,525/392,345.82 = 95,313/x
  3. Step 3: Cross multiply
    261,525x = 392,345.82 × 95,313
  4. Step 4: Simplify right side
    261,525x = 37,395,657,141.66
  5. Step 5: Solve for x
    x = 37,395,657,141.66/261,525
  6. Step 6: Final answer
    x = 142,990.75

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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.