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Finding the Fourth Proportional to 188,371.74, 282,572.08 and 53,433.50

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Solution

The fourth proportional to 188,371.74, 282,572.08 and 53,433.50 is: 80,154.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,371.74 : 282,572.08 = 53,433.50 : x
  2. Step 2: Convert to fraction form
    188,371.74/282,572.08 = 53,433.50/x
  3. Step 3: Cross multiply
    188,371.74x = 282,572.08 × 53,433.50
  4. Step 4: Simplify right side
    188,371.74x = 15,098,815,236.68
  5. Step 5: Solve for x
    x = 15,098,815,236.68/188,371.74
  6. Step 6: Final answer
    x = 80,154.35

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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.