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Finding the Fourth Proportional to 144,881.22, 199,888.82 and 84,438.04

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Solution

The fourth proportional to 144,881.22, 199,888.82 and 84,438.04 is: 116,496.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,881.22 : 199,888.82 = 84,438.04 : x
  2. Step 2: Convert to fraction form
    144,881.22/199,888.82 = 84,438.04/x
  3. Step 3: Cross multiply
    144,881.22x = 199,888.82 × 84,438.04
  4. Step 4: Simplify right side
    144,881.22x = 16,878,220,178.71
  5. Step 5: Solve for x
    x = 16,878,220,178.71/144,881.22
  6. Step 6: Final answer
    x = 116,496.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.