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Finding the Fourth Proportional to 205,250.60, 307,875.90 and 195,627.80

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Solution

The fourth proportional to 205,250.60, 307,875.90 and 195,627.80 is: 293,441.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,250.60 : 307,875.90 = 195,627.80 : x
  2. Step 2: Convert to fraction form
    205,250.60/307,875.90 = 195,627.80/x
  3. Step 3: Cross multiply
    205,250.60x = 307,875.90 × 195,627.80
  4. Step 4: Simplify right side
    205,250.60x = 60,229,084,990.02
  5. Step 5: Solve for x
    x = 60,229,084,990.02/205,250.60
  6. Step 6: Final answer
    x = 293,441.70

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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.