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Finding the Fourth Proportional to 181,347.18, 250,243.18 and 100,769.59

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Solution

The fourth proportional to 181,347.18, 250,243.18 and 100,769.59 is: 139,053.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,347.18 : 250,243.18 = 100,769.59 : x
  2. Step 2: Convert to fraction form
    181,347.18/250,243.18 = 100,769.59/x
  3. Step 3: Cross multiply
    181,347.18x = 250,243.18 × 100,769.59
  4. Step 4: Simplify right side
    181,347.18x = 25,216,902,648.90
  5. Step 5: Solve for x
    x = 25,216,902,648.90/181,347.18
  6. Step 6: Final answer
    x = 139,053.18

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1.5x scale

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.