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Finding the Fourth Proportional to 144,653.34, 217,120.14 and 69,826.08

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Solution

The fourth proportional to 144,653.34, 217,120.14 and 69,826.08 is: 104,806.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,653.34 : 217,120.14 = 69,826.08 : x
  2. Step 2: Convert to fraction form
    144,653.34/217,120.14 = 69,826.08/x
  3. Step 3: Cross multiply
    144,653.34x = 217,120.14 × 69,826.08
  4. Step 4: Simplify right side
    144,653.34x = 15,160,648,265.25
  5. Step 5: Solve for x
    x = 15,160,648,265.25/144,653.34
  6. Step 6: Final answer
    x = 104,806.76

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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.