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Finding the Fourth Proportional to 144,625.32, 216,936.72 and 39,444.12

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Solution

The fourth proportional to 144,625.32, 216,936.72 and 39,444.12 is: 59,165.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,625.32 : 216,936.72 = 39,444.12 : x
  2. Step 2: Convert to fraction form
    144,625.32/216,936.72 = 39,444.12/x
  3. Step 3: Cross multiply
    144,625.32x = 216,936.72 × 39,444.12
  4. Step 4: Simplify right side
    144,625.32x = 8,556,878,016.09
  5. Step 5: Solve for x
    x = 8,556,878,016.09/144,625.32
  6. Step 6: Final answer
    x = 59,165.84

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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.