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Finding the Fourth Proportional to 116,585.80, 160,744.98 and 86,328.52

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Solution

The fourth proportional to 116,585.80, 160,744.98 and 86,328.52 is: 119,027.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,585.80 : 160,744.98 = 86,328.52 : x
  2. Step 2: Convert to fraction form
    116,585.80/160,744.98 = 86,328.52/x
  3. Step 3: Cross multiply
    116,585.80x = 160,744.98 × 86,328.52
  4. Step 4: Simplify right side
    116,585.80x = 13,876,876,220.83
  5. Step 5: Solve for x
    x = 13,876,876,220.83/116,585.80
  6. Step 6: Final answer
    x = 119,027.16

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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.