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Finding the Fourth Proportional to 181,693.36, 250,734.33 and 101,120.87

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Solution

The fourth proportional to 181,693.36, 250,734.33 and 101,120.87 is: 139,545.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,693.36 : 250,734.33 = 101,120.87 : x
  2. Step 2: Convert to fraction form
    181,693.36/250,734.33 = 101,120.87/x
  3. Step 3: Cross multiply
    181,693.36x = 250,734.33 × 101,120.87
  4. Step 4: Simplify right side
    181,693.36x = 25,354,473,588.47
  5. Step 5: Solve for x
    x = 25,354,473,588.47/181,693.36
  6. Step 6: Final answer
    x = 139,545.41

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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.