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Finding the Fourth Proportional to 144,612.90, 216,935.55 and 44,772.30

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Solution

The fourth proportional to 144,612.90, 216,935.55 and 44,772.30 is: 67,163.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,612.90 : 216,935.55 = 44,772.30 : x
  2. Step 2: Convert to fraction form
    144,612.90/216,935.55 = 44,772.30/x
  3. Step 3: Cross multiply
    144,612.90x = 216,935.55 × 44,772.30
  4. Step 4: Simplify right side
    144,612.90x = 9,712,703,525.27
  5. Step 5: Solve for x
    x = 9,712,703,525.27/144,612.90
  6. Step 6: Final answer
    x = 67,163.47

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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.