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Finding the Fourth Proportional to 88,148.80, 132,209.70 and 28,984.60

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Solution

The fourth proportional to 88,148.80, 132,209.70 and 28,984.60 is: 43,472.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,148.80 : 132,209.70 = 28,984.60 : x
  2. Step 2: Convert to fraction form
    88,148.80/132,209.70 = 28,984.60/x
  3. Step 3: Cross multiply
    88,148.80x = 132,209.70 × 28,984.60
  4. Step 4: Simplify right side
    88,148.80x = 3,832,045,270.62
  5. Step 5: Solve for x
    x = 3,832,045,270.62/88,148.80
  6. Step 6: Final answer
    x = 43,472.46

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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.