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Finding the Fourth Proportional to 144,468.18, 216,669.42 and 69,550.02

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Solution

The fourth proportional to 144,468.18, 216,669.42 and 69,550.02 is: 104,309.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,468.18 : 216,669.42 = 69,550.02 : x
  2. Step 2: Convert to fraction form
    144,468.18/216,669.42 = 69,550.02/x
  3. Step 3: Cross multiply
    144,468.18x = 216,669.42 × 69,550.02
  4. Step 4: Simplify right side
    144,468.18x = 15,069,362,494.39
  5. Step 5: Solve for x
    x = 15,069,362,494.39/144,468.18
  6. Step 6: Final answer
    x = 104,309.22

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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.