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Finding the Fourth Proportional to 295,701.75, 408,068.78 and 161,565.75

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Solution

The fourth proportional to 295,701.75, 408,068.78 and 161,565.75 is: 222,960.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,701.75 : 408,068.78 = 161,565.75 : x
  2. Step 2: Convert to fraction form
    295,701.75/408,068.78 = 161,565.75/x
  3. Step 3: Cross multiply
    295,701.75x = 408,068.78 × 161,565.75
  4. Step 4: Simplify right side
    295,701.75x = 65,929,938,492.29
  5. Step 5: Solve for x
    x = 65,929,938,492.29/295,701.75
  6. Step 6: Final answer
    x = 222,960.93

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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.