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Finding the Fourth Proportional to 82,798.61, 124,180.29 and 23,618.39

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Solution

The fourth proportional to 82,798.61, 124,180.29 and 23,618.39 is: 35,422.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,798.61 : 124,180.29 = 23,618.39 : x
  2. Step 2: Convert to fraction form
    82,798.61/124,180.29 = 23,618.39/x
  3. Step 3: Cross multiply
    82,798.61x = 124,180.29 × 23,618.39
  4. Step 4: Simplify right side
    82,798.61x = 2,932,937,898.63
  5. Step 5: Solve for x
    x = 2,932,937,898.63/82,798.61
  6. Step 6: Final answer
    x = 35,422.55

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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.