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Finding the Fourth Proportional to 188,516.68, 282,705.74 and 55,362.76

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Solution

The fourth proportional to 188,516.68, 282,705.74 and 55,362.76 is: 83,023.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,516.68 : 282,705.74 = 55,362.76 : x
  2. Step 2: Convert to fraction form
    188,516.68/282,705.74 = 55,362.76/x
  3. Step 3: Cross multiply
    188,516.68x = 282,705.74 × 55,362.76
  4. Step 4: Simplify right side
    188,516.68x = 15,651,370,034.24
  5. Step 5: Solve for x
    x = 15,651,370,034.24/188,516.68
  6. Step 6: Final answer
    x = 83,023.79

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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.