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Finding the Fourth Proportional to 181,807.58, 251,017.62 and 113,851.82

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Solution

The fourth proportional to 181,807.58, 251,017.62 and 113,851.82 is: 157,192.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,807.58 : 251,017.62 = 113,851.82 : x
  2. Step 2: Convert to fraction form
    181,807.58/251,017.62 = 113,851.82/x
  3. Step 3: Cross multiply
    181,807.58x = 251,017.62 × 113,851.82
  4. Step 4: Simplify right side
    181,807.58x = 28,578,812,889.07
  5. Step 5: Solve for x
    x = 28,578,812,889.07/181,807.58
  6. Step 6: Final answer
    x = 157,192.64

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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.