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Finding the Fourth Proportional to 218,047.95, 301,025.30 and 132,021.63

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Solution

The fourth proportional to 218,047.95, 301,025.30 and 132,021.63 is: 182,261.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,047.95 : 301,025.30 = 132,021.63 : x
  2. Step 2: Convert to fraction form
    218,047.95/301,025.30 = 132,021.63/x
  3. Step 3: Cross multiply
    218,047.95x = 301,025.30 × 132,021.63
  4. Step 4: Simplify right side
    218,047.95x = 39,741,850,117.13
  5. Step 5: Solve for x
    x = 39,741,850,117.13/218,047.95
  6. Step 6: Final answer
    x = 182,261.98

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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.