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Finding the Fourth Proportional to 188,071.95, 282,104.94 and 75,749.52

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Solution

The fourth proportional to 188,071.95, 282,104.94 and 75,749.52 is: 113,623.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,071.95 : 282,104.94 = 75,749.52 : x
  2. Step 2: Convert to fraction form
    188,071.95/282,104.94 = 75,749.52/x
  3. Step 3: Cross multiply
    188,071.95x = 282,104.94 × 75,749.52
  4. Step 4: Simplify right side
    188,071.95x = 21,369,313,794.63
  5. Step 5: Solve for x
    x = 21,369,313,794.63/188,071.95
  6. Step 6: Final answer
    x = 113,623.08

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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.