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Finding the Fourth Proportional to 181,893.47, 251,012.52 and 101,320.13

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Solution

The fourth proportional to 181,893.47, 251,012.52 and 101,320.13 is: 139,821.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,893.47 : 251,012.52 = 101,320.13 : x
  2. Step 2: Convert to fraction form
    181,893.47/251,012.52 = 101,320.13/x
  3. Step 3: Cross multiply
    181,893.47x = 251,012.52 × 101,320.13
  4. Step 4: Simplify right side
    181,893.47x = 25,432,621,785.56
  5. Step 5: Solve for x
    x = 25,432,621,785.56/181,893.47
  6. Step 6: Final answer
    x = 139,821.53

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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.