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Finding the Fourth Proportional to 144,911.10, 217,366.65 and 144,911.10

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Solution

The fourth proportional to 144,911.10, 217,366.65 and 144,911.10 is: 217,366.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,911.10 : 217,366.65 = 144,911.10 : x
  2. Step 2: Convert to fraction form
    144,911.10/217,366.65 = 144,911.10/x
  3. Step 3: Cross multiply
    144,911.10x = 217,366.65 × 144,911.10
  4. Step 4: Simplify right side
    144,911.10x = 31,498,840,354.82
  5. Step 5: Solve for x
    x = 31,498,840,354.82/144,911.10
  6. Step 6: Final answer
    x = 217,366.65

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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.