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Finding the Fourth Proportional to 144,487.86, 217,814.68 and 134,854.26

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Solution

The fourth proportional to 144,487.86, 217,814.68 and 134,854.26 is: 203,292.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,487.86 : 217,814.68 = 134,854.26 : x
  2. Step 2: Convert to fraction form
    144,487.86/217,814.68 = 134,854.26/x
  3. Step 3: Cross multiply
    144,487.86x = 217,814.68 × 134,854.26
  4. Step 4: Simplify right side
    144,487.86x = 29,373,237,488.54
  5. Step 5: Solve for x
    x = 29,373,237,488.54/144,487.86
  6. Step 6: Final answer
    x = 203,292.08

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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.