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Finding the Fourth Proportional to 146,820.80, 220,231.20 and 94,332.80

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Solution

The fourth proportional to 146,820.80, 220,231.20 and 94,332.80 is: 141,499.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,820.80 : 220,231.20 = 94,332.80 : x
  2. Step 2: Convert to fraction form
    146,820.80/220,231.20 = 94,332.80/x
  3. Step 3: Cross multiply
    146,820.80x = 220,231.20 × 94,332.80
  4. Step 4: Simplify right side
    146,820.80x = 20,775,025,743.36
  5. Step 5: Solve for x
    x = 20,775,025,743.36/146,820.80
  6. Step 6: Final answer
    x = 141,499.20

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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.