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Finding the Fourth Proportional to 144,478.35, 217,800.36 and 134,844.75

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Solution

The fourth proportional to 144,478.35, 217,800.36 and 134,844.75 is: 203,277.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,478.35 : 217,800.36 = 134,844.75 : x
  2. Step 2: Convert to fraction form
    144,478.35/217,800.36 = 134,844.75/x
  3. Step 3: Cross multiply
    144,478.35x = 217,800.36 × 134,844.75
  4. Step 4: Simplify right side
    144,478.35x = 29,369,235,094.11
  5. Step 5: Solve for x
    x = 29,369,235,094.11/144,478.35
  6. Step 6: Final answer
    x = 203,277.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.