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Finding the Fourth Proportional to 218,267.63, 327,551.76 and 76,113.98

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Solution

The fourth proportional to 218,267.63, 327,551.76 and 76,113.98 is: 114,223.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,267.63 : 327,551.76 = 76,113.98 : x
  2. Step 2: Convert to fraction form
    218,267.63/327,551.76 = 76,113.98/x
  3. Step 3: Cross multiply
    218,267.63x = 327,551.76 × 76,113.98
  4. Step 4: Simplify right side
    218,267.63x = 24,931,266,471.85
  5. Step 5: Solve for x
    x = 24,931,266,471.85/218,267.63
  6. Step 6: Final answer
    x = 114,223.38

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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.