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Finding the Fourth Proportional to 201,793.80, 302,690.70 and 61,534.20

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Solution

The fourth proportional to 201,793.80, 302,690.70 and 61,534.20 is: 92,301.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,793.80 : 302,690.70 = 61,534.20 : x
  2. Step 2: Convert to fraction form
    201,793.80/302,690.70 = 61,534.20/x
  3. Step 3: Cross multiply
    201,793.80x = 302,690.70 × 61,534.20
  4. Step 4: Simplify right side
    201,793.80x = 18,625,830,071.94
  5. Step 5: Solve for x
    x = 18,625,830,071.94/201,793.80
  6. Step 6: Final answer
    x = 92,301.30

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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.