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Finding the Fourth Proportional to 218,176.99, 301,086.04 and 122,682.85

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Solution

The fourth proportional to 218,176.99, 301,086.04 and 122,682.85 is: 169,303.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,176.99 : 301,086.04 = 122,682.85 : x
  2. Step 2: Convert to fraction form
    218,176.99/301,086.04 = 122,682.85/x
  3. Step 3: Cross multiply
    218,176.99x = 301,086.04 × 122,682.85
  4. Step 4: Simplify right side
    218,176.99x = 36,938,093,482.41
  5. Step 5: Solve for x
    x = 36,938,093,482.41/218,176.99
  6. Step 6: Final answer
    x = 169,303.34

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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.