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Finding the Fourth Proportional to 100,845.59, 151,275.32 and 33,377.51

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Solution

The fourth proportional to 100,845.59, 151,275.32 and 33,377.51 is: 50,068.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,845.59 : 151,275.32 = 33,377.51 : x
  2. Step 2: Convert to fraction form
    100,845.59/151,275.32 = 33,377.51/x
  3. Step 3: Cross multiply
    100,845.59x = 151,275.32 × 33,377.51
  4. Step 4: Simplify right side
    100,845.59x = 5,049,193,339.17
  5. Step 5: Solve for x
    x = 5,049,193,339.17/100,845.59
  6. Step 6: Final answer
    x = 50,068.56

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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.