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Finding the Fourth Proportional to 146,804.91, 202,581.18 and 86,363.88

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Solution

The fourth proportional to 146,804.91, 202,581.18 and 86,363.88 is: 119,176.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,804.91 : 202,581.18 = 86,363.88 : x
  2. Step 2: Convert to fraction form
    146,804.91/202,581.18 = 86,363.88/x
  3. Step 3: Cross multiply
    146,804.91x = 202,581.18 × 86,363.88
  4. Step 4: Simplify right side
    146,804.91x = 17,495,696,719.78
  5. Step 5: Solve for x
    x = 17,495,696,719.78/146,804.91
  6. Step 6: Final answer
    x = 119,176.51

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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.