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Finding the Fourth Proportional to 64,926,810.80, 97,382,843.40 and 17,062,593.20

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Solution

The fourth proportional to 64,926,810.80, 97,382,843.40 and 17,062,593.20 is: 25,591,952.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,926,810.80 : 97,382,843.40 = 17,062,593.20 : x
  2. Step 2: Convert to fraction form
    64,926,810.80/97,382,843.40 = 17,062,593.20/x
  3. Step 3: Cross multiply
    64,926,810.80x = 97,382,843.40 × 17,062,593.20
  4. Step 4: Simplify right side
    64,926,810.80x = 1,661,603,841,593,505
  5. Step 5: Solve for x
    x = 1,661,603,841,593,505/64,926,810.80
  6. Step 6: Final answer
    x = 25,591,952.25

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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.