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Finding the Fourth Proportional to 163,036.80, 244,252.80 and 92,707.20

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Solution

The fourth proportional to 163,036.80, 244,252.80 and 92,707.20 is: 138,888.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,036.80 : 244,252.80 = 92,707.20 : x
  2. Step 2: Convert to fraction form
    163,036.80/244,252.80 = 92,707.20/x
  3. Step 3: Cross multiply
    163,036.80x = 244,252.80 × 92,707.20
  4. Step 4: Simplify right side
    163,036.80x = 22,643,993,180.16
  5. Step 5: Solve for x
    x = 22,643,993,180.16/163,036.80
  6. Step 6: Final answer
    x = 138,888.85

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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.