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Finding the Fourth Proportional to 181,283.33, 250,211.01 and 100,738.55

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Solution

The fourth proportional to 181,283.33, 250,211.01 and 100,738.55 is: 139,041.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,283.33 : 250,211.01 = 100,738.55 : x
  2. Step 2: Convert to fraction form
    181,283.33/250,211.01 = 100,738.55/x
  3. Step 3: Cross multiply
    181,283.33x = 250,211.01 × 100,738.55
  4. Step 4: Simplify right side
    181,283.33x = 25,205,893,090.38
  5. Step 5: Solve for x
    x = 25,205,893,090.38/181,283.33
  6. Step 6: Final answer
    x = 139,041.43

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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.