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Finding the Fourth Proportional to 144,179.70, 216,269.52 and 104,986.23

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Solution

The fourth proportional to 144,179.70, 216,269.52 and 104,986.23 is: 157,479.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,179.70 : 216,269.52 = 104,986.23 : x
  2. Step 2: Convert to fraction form
    144,179.70/216,269.52 = 104,986.23/x
  3. Step 3: Cross multiply
    144,179.70x = 216,269.52 × 104,986.23
  4. Step 4: Simplify right side
    144,179.70x = 22,705,321,568.71
  5. Step 5: Solve for x
    x = 22,705,321,568.71/144,179.70
  6. Step 6: Final answer
    x = 157,479.32

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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.