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Finding the Fourth Proportional to 182,145.54, 251,361.93 and 101,578.15

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Solution

The fourth proportional to 182,145.54, 251,361.93 and 101,578.15 is: 140,178.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,145.54 : 251,361.93 = 101,578.15 : x
  2. Step 2: Convert to fraction form
    182,145.54/251,361.93 = 101,578.15/x
  3. Step 3: Cross multiply
    182,145.54x = 251,361.93 × 101,578.15
  4. Step 4: Simplify right side
    182,145.54x = 25,532,879,829.83
  5. Step 5: Solve for x
    x = 25,532,879,829.83/182,145.54
  6. Step 6: Final answer
    x = 140,178.45

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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.