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Finding the Fourth Proportional to 181,802.61, 250,886.97 and 101,231.10

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Solution

The fourth proportional to 181,802.61, 250,886.97 and 101,231.10 is: 139,698.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,802.61 : 250,886.97 = 101,231.10 : x
  2. Step 2: Convert to fraction form
    181,802.61/250,886.97 = 101,231.10/x
  3. Step 3: Cross multiply
    181,802.61x = 250,886.97 × 101,231.10
  4. Step 4: Simplify right side
    181,802.61x = 25,397,563,948.77
  5. Step 5: Solve for x
    x = 25,397,563,948.77/181,802.61
  6. Step 6: Final answer
    x = 139,698.57

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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.