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Finding the Fourth Proportional to 181,007,295.80, 271,510,943.70 and 65,995,590.20

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Solution

The fourth proportional to 181,007,295.80, 271,510,943.70 and 65,995,590.20 is: 98,993,385.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,007,295.80 : 271,510,943.70 = 65,995,590.20 : x
  2. Step 2: Convert to fraction form
    181,007,295.80/271,510,943.70 = 65,995,590.20/x
  3. Step 3: Cross multiply
    181,007,295.80x = 271,510,943.70 × 65,995,590.20
  4. Step 4: Simplify right side
    181,007,295.80x = 17,918,524,975,240,472
  5. Step 5: Solve for x
    x = 17,918,524,975,240,472/181,007,295.80
  6. Step 6: Final answer
    x = 98,993,385.30

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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.