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Finding the Fourth Proportional to 144,774.30, 217,206.30 and 64,879.58

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Solution

The fourth proportional to 144,774.30, 217,206.30 and 64,879.58 is: 97,339.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,774.30 : 217,206.30 = 64,879.58 : x
  2. Step 2: Convert to fraction form
    144,774.30/217,206.30 = 64,879.58/x
  3. Step 3: Cross multiply
    144,774.30x = 217,206.30 × 64,879.58
  4. Step 4: Simplify right side
    144,774.30x = 14,092,253,517.35
  5. Step 5: Solve for x
    x = 14,092,253,517.35/144,774.30
  6. Step 6: Final answer
    x = 97,339.47

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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.