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Finding the Fourth Proportional to 105,833.58, 158,750.36 and 49,712.42

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Solution

The fourth proportional to 105,833.58, 158,750.36 and 49,712.42 is: 74,568.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,833.58 : 158,750.36 = 49,712.42 : x
  2. Step 2: Convert to fraction form
    105,833.58/158,750.36 = 49,712.42/x
  3. Step 3: Cross multiply
    105,833.58x = 158,750.36 × 49,712.42
  4. Step 4: Simplify right side
    105,833.58x = 7,891,864,571.47
  5. Step 5: Solve for x
    x = 7,891,864,571.47/105,833.58
  6. Step 6: Final answer
    x = 74,568.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.