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Finding the Fourth Proportional to 110,083.93, 151,863.66 and 74,285.48

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Solution

The fourth proportional to 110,083.93, 151,863.66 and 74,285.48 is: 102,478.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,083.93 : 151,863.66 = 74,285.48 : x
  2. Step 2: Convert to fraction form
    110,083.93/151,863.66 = 74,285.48/x
  3. Step 3: Cross multiply
    110,083.93x = 151,863.66 × 74,285.48
  4. Step 4: Simplify right side
    110,083.93x = 11,281,265,257.32
  5. Step 5: Solve for x
    x = 11,281,265,257.32/110,083.93
  6. Step 6: Final answer
    x = 102,478.77

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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.