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Finding the Fourth Proportional to 181,805.51, 250,913.61 and 104,309.53

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Solution

The fourth proportional to 181,805.51, 250,913.61 and 104,309.53 is: 143,959.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,805.51 : 250,913.61 = 104,309.53 : x
  2. Step 2: Convert to fraction form
    181,805.51/250,913.61 = 104,309.53/x
  3. Step 3: Cross multiply
    181,805.51x = 250,913.61 × 104,309.53
  4. Step 4: Simplify right side
    181,805.51x = 26,172,678,953.59
  5. Step 5: Solve for x
    x = 26,172,678,953.59/181,805.51
  6. Step 6: Final answer
    x = 143,959.77

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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.