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Finding the Fourth Proportional to 144,250.77, 216,400.86 and 44,409

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Solution

The fourth proportional to 144,250.77, 216,400.86 and 44,409 is: 66,621.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,250.77 : 216,400.86 = 44,409 : x
  2. Step 2: Convert to fraction form
    144,250.77/216,400.86 = 44,409/x
  3. Step 3: Cross multiply
    144,250.77x = 216,400.86 × 44,409
  4. Step 4: Simplify right side
    144,250.77x = 9,610,145,791.74
  5. Step 5: Solve for x
    x = 9,610,145,791.74/144,250.77
  6. Step 6: Final answer
    x = 66,621.11

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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.