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Finding the Fourth Proportional to 202,686.60, 304,002.30 and 52,938.60

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Solution

The fourth proportional to 202,686.60, 304,002.30 and 52,938.60 is: 79,400.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,686.60 : 304,002.30 = 52,938.60 : x
  2. Step 2: Convert to fraction form
    202,686.60/304,002.30 = 52,938.60/x
  3. Step 3: Cross multiply
    202,686.60x = 304,002.30 × 52,938.60
  4. Step 4: Simplify right side
    202,686.60x = 16,093,456,158.78
  5. Step 5: Solve for x
    x = 16,093,456,158.78/202,686.60
  6. Step 6: Final answer
    x = 79,400.69

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1.5x scale

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.