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Finding the Fourth Proportional to 218,793.48, 301,785.12 and 133,952.46

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Solution

The fourth proportional to 218,793.48, 301,785.12 and 133,952.46 is: 184,762.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,793.48 : 301,785.12 = 133,952.46 : x
  2. Step 2: Convert to fraction form
    218,793.48/301,785.12 = 133,952.46/x
  3. Step 3: Cross multiply
    218,793.48x = 301,785.12 × 133,952.46
  4. Step 4: Simplify right side
    218,793.48x = 40,424,859,215.40
  5. Step 5: Solve for x
    x = 40,424,859,215.40/218,793.48
  6. Step 6: Final answer
    x = 184,762.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.