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Finding the Fourth Proportional to 144,493.35, 216,830.24 and 103,970.98

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Solution

The fourth proportional to 144,493.35, 216,830.24 and 103,970.98 is: 156,021.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,493.35 : 216,830.24 = 103,970.98 : x
  2. Step 2: Convert to fraction form
    144,493.35/216,830.24 = 103,970.98/x
  3. Step 3: Cross multiply
    144,493.35x = 216,830.24 × 103,970.98
  4. Step 4: Simplify right side
    144,493.35x = 22,544,052,546.44
  5. Step 5: Solve for x
    x = 22,544,052,546.44/144,493.35
  6. Step 6: Final answer
    x = 156,021.38

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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.