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Finding the Fourth Proportional to 169,284.48, 233,611.92 and 92,804

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Solution

The fourth proportional to 169,284.48, 233,611.92 and 92,804 is: 128,069.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,284.48 : 233,611.92 = 92,804 : x
  2. Step 2: Convert to fraction form
    169,284.48/233,611.92 = 92,804/x
  3. Step 3: Cross multiply
    169,284.48x = 233,611.92 × 92,804
  4. Step 4: Simplify right side
    169,284.48x = 21,680,120,623.68
  5. Step 5: Solve for x
    x = 21,680,120,623.68/169,284.48
  6. Step 6: Final answer
    x = 128,069.16

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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.