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Finding the Fourth Proportional to 144,239.58, 216,379.85 and 44,408.07

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Solution

The fourth proportional to 144,239.58, 216,379.85 and 44,408.07 is: 66,618.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,239.58 : 216,379.85 = 44,408.07 : x
  2. Step 2: Convert to fraction form
    144,239.58/216,379.85 = 44,408.07/x
  3. Step 3: Cross multiply
    144,239.58x = 216,379.85 × 44,408.07
  4. Step 4: Simplify right side
    144,239.58x = 9,609,011,303.35
  5. Step 5: Solve for x
    x = 9,609,011,303.35/144,239.58
  6. Step 6: Final answer
    x = 66,618.41

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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.