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Finding the Fourth Proportional to 204,551.57, 306,875.65 and 64,310.19

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Solution

The fourth proportional to 204,551.57, 306,875.65 and 64,310.19 is: 96,480.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,551.57 : 306,875.65 = 64,310.19 : x
  2. Step 2: Convert to fraction form
    204,551.57/306,875.65 = 64,310.19/x
  3. Step 3: Cross multiply
    204,551.57x = 306,875.65 × 64,310.19
  4. Step 4: Simplify right side
    204,551.57x = 19,735,232,756.16
  5. Step 5: Solve for x
    x = 19,735,232,756.16/204,551.57
  6. Step 6: Final answer
    x = 96,480.48

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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.