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Finding the Fourth Proportional to 65,204,605.20, 97,806,907.80 and 34,971,517.20

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Solution

The fourth proportional to 65,204,605.20, 97,806,907.80 and 34,971,517.20 is: 52,457,275.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,204,605.20 : 97,806,907.80 = 34,971,517.20 : x
  2. Step 2: Convert to fraction form
    65,204,605.20/97,806,907.80 = 34,971,517.20/x
  3. Step 3: Cross multiply
    65,204,605.20x = 97,806,907.80 × 34,971,517.20
  4. Step 4: Simplify right side
    65,204,605.20x = 3,420,455,958,406,514.50
  5. Step 5: Solve for x
    x = 3,420,455,958,406,514.50/65,204,605.20
  6. Step 6: Final answer
    x = 52,457,275.80

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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.