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Finding the Fourth Proportional to 202,295.60, 303,637.80 and 102,568.40

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Solution

The fourth proportional to 202,295.60, 303,637.80 and 102,568.40 is: 153,951.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,295.60 : 303,637.80 = 102,568.40 : x
  2. Step 2: Convert to fraction form
    202,295.60/303,637.80 = 102,568.40/x
  3. Step 3: Cross multiply
    202,295.60x = 303,637.80 × 102,568.40
  4. Step 4: Simplify right side
    202,295.60x = 31,143,643,325.52
  5. Step 5: Solve for x
    x = 31,143,643,325.52/202,295.60
  6. Step 6: Final answer
    x = 153,951.17

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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.