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Finding the Fourth Proportional to 61,065,232.80, 91,597,849.20 and 27,053,008.80

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Solution

The fourth proportional to 61,065,232.80, 91,597,849.20 and 27,053,008.80 is: 40,579,513.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,065,232.80 : 91,597,849.20 = 27,053,008.80 : x
  2. Step 2: Convert to fraction form
    61,065,232.80/91,597,849.20 = 27,053,008.80/x
  3. Step 3: Cross multiply
    61,065,232.80x = 91,597,849.20 × 27,053,008.80
  4. Step 4: Simplify right side
    61,065,232.80x = 2,477,997,420,468,673
  5. Step 5: Solve for x
    x = 2,477,997,420,468,673/61,065,232.80
  6. Step 6: Final answer
    x = 40,579,513.20

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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.