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Finding the Fourth Proportional to 101,216.80, 151,825.20 and 93,613.60

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Solution

The fourth proportional to 101,216.80, 151,825.20 and 93,613.60 is: 140,420.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,216.80 : 151,825.20 = 93,613.60 : x
  2. Step 2: Convert to fraction form
    101,216.80/151,825.20 = 93,613.60/x
  3. Step 3: Cross multiply
    101,216.80x = 151,825.20 × 93,613.60
  4. Step 4: Simplify right side
    101,216.80x = 14,212,903,542.72
  5. Step 5: Solve for x
    x = 14,212,903,542.72/101,216.80
  6. Step 6: Final answer
    x = 140,420.40

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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.