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Finding the Fourth Proportional to 102,081.84, 153,166.68 and 35,485.71

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Solution

The fourth proportional to 102,081.84, 153,166.68 and 35,485.71 is: 53,243.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,081.84 : 153,166.68 = 35,485.71 : x
  2. Step 2: Convert to fraction form
    102,081.84/153,166.68 = 35,485.71/x
  3. Step 3: Cross multiply
    102,081.84x = 153,166.68 × 35,485.71
  4. Step 4: Simplify right side
    102,081.84x = 5,435,228,388.14
  5. Step 5: Solve for x
    x = 5,435,228,388.14/102,081.84
  6. Step 6: Final answer
    x = 53,243.83

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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.