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Finding the Fourth Proportional to 110,036.88, 165,028.74 and 50,815.62

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Solution

The fourth proportional to 110,036.88, 165,028.74 and 50,815.62 is: 76,211.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,036.88 : 165,028.74 = 50,815.62 : x
  2. Step 2: Convert to fraction form
    110,036.88/165,028.74 = 50,815.62/x
  3. Step 3: Cross multiply
    110,036.88x = 165,028.74 × 50,815.62
  4. Step 4: Simplify right side
    110,036.88x = 8,386,037,740.92
  5. Step 5: Solve for x
    x = 8,386,037,740.92/110,036.88
  6. Step 6: Final answer
    x = 76,211.16

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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.