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Finding the Fourth Proportional to 181,902.35, 251,032.80 and 101,329.85

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Solution

The fourth proportional to 181,902.35, 251,032.80 and 101,329.85 is: 139,839.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,902.35 : 251,032.80 = 101,329.85 : x
  2. Step 2: Convert to fraction form
    181,902.35/251,032.80 = 101,329.85/x
  3. Step 3: Cross multiply
    181,902.35x = 251,032.80 × 101,329.85
  4. Step 4: Simplify right side
    181,902.35x = 25,437,115,969.08
  5. Step 5: Solve for x
    x = 25,437,115,969.08/181,902.35
  6. Step 6: Final answer
    x = 139,839.40

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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.