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Finding the Fourth Proportional to 144,409.44, 216,612.72 and 109,562.88

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Solution

The fourth proportional to 144,409.44, 216,612.72 and 109,562.88 is: 164,343.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,409.44 : 216,612.72 = 109,562.88 : x
  2. Step 2: Convert to fraction form
    144,409.44/216,612.72 = 109,562.88/x
  3. Step 3: Cross multiply
    144,409.44x = 216,612.72 × 109,562.88
  4. Step 4: Simplify right side
    144,409.44x = 23,732,713,447.83
  5. Step 5: Solve for x
    x = 23,732,713,447.83/144,409.44
  6. Step 6: Final answer
    x = 164,343.23

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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.