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Finding the Fourth Proportional to 83,053.66, 124,598.66 and 26,899.45

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Solution

The fourth proportional to 83,053.66, 124,598.66 and 26,899.45 is: 40,355.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,053.66 : 124,598.66 = 26,899.45 : x
  2. Step 2: Convert to fraction form
    83,053.66/124,598.66 = 26,899.45/x
  3. Step 3: Cross multiply
    83,053.66x = 124,598.66 × 26,899.45
  4. Step 4: Simplify right side
    83,053.66x = 3,351,635,424.74
  5. Step 5: Solve for x
    x = 3,351,635,424.74/83,053.66
  6. Step 6: Final answer
    x = 40,355.06

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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.