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Finding the Fourth Proportional to 86,802.55, 119,800.29 and 54,974.41

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Solution

The fourth proportional to 86,802.55, 119,800.29 and 54,974.41 is: 75,872.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,802.55 : 119,800.29 = 54,974.41 : x
  2. Step 2: Convert to fraction form
    86,802.55/119,800.29 = 54,974.41/x
  3. Step 3: Cross multiply
    86,802.55x = 119,800.29 × 54,974.41
  4. Step 4: Simplify right side
    86,802.55x = 6,585,950,260.58
  5. Step 5: Solve for x
    x = 6,585,950,260.58/86,802.55
  6. Step 6: Final answer
    x = 75,872.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.