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Finding the Fourth Proportional to 188,440.74, 282,661.11 and 88,527.60

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Solution

The fourth proportional to 188,440.74, 282,661.11 and 88,527.60 is: 132,791.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,440.74 : 282,661.11 = 88,527.60 : x
  2. Step 2: Convert to fraction form
    188,440.74/282,661.11 = 88,527.60/x
  3. Step 3: Cross multiply
    188,440.74x = 282,661.11 × 88,527.60
  4. Step 4: Simplify right side
    188,440.74x = 25,023,309,681.64
  5. Step 5: Solve for x
    x = 25,023,309,681.64/188,440.74
  6. Step 6: Final answer
    x = 132,791.40

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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.