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Finding the Fourth Proportional to 144,620.16, 216,101.16 and 110,235.66

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Solution

The fourth proportional to 144,620.16, 216,101.16 and 110,235.66 is: 164,721.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,620.16 : 216,101.16 = 110,235.66 : x
  2. Step 2: Convert to fraction form
    144,620.16/216,101.16 = 110,235.66/x
  3. Step 3: Cross multiply
    144,620.16x = 216,101.16 × 110,235.66
  4. Step 4: Simplify right side
    144,620.16x = 23,822,053,999.37
  5. Step 5: Solve for x
    x = 23,822,053,999.37/144,620.16
  6. Step 6: Final answer
    x = 164,721.53

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.