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Finding the Fourth Proportional to 181,076.02, 249,879.84 and 99,404.26

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Solution

The fourth proportional to 181,076.02, 249,879.84 and 99,404.26 is: 137,175.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,076.02 : 249,879.84 = 99,404.26 : x
  2. Step 2: Convert to fraction form
    181,076.02/249,879.84 = 99,404.26/x
  3. Step 3: Cross multiply
    181,076.02x = 249,879.84 × 99,404.26
  4. Step 4: Simplify right side
    181,076.02x = 24,839,120,584.12
  5. Step 5: Solve for x
    x = 24,839,120,584.12/181,076.02
  6. Step 6: Final answer
    x = 137,175.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.