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Finding the Fourth Proportional to 104,881.10, 144,731.22 and 61,277.67

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Solution

The fourth proportional to 104,881.10, 144,731.22 and 61,277.67 is: 84,560.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,881.10 : 144,731.22 = 61,277.67 : x
  2. Step 2: Convert to fraction form
    104,881.10/144,731.22 = 61,277.67/x
  3. Step 3: Cross multiply
    104,881.10x = 144,731.22 × 61,277.67
  4. Step 4: Simplify right side
    104,881.10x = 8,868,791,937.86
  5. Step 5: Solve for x
    x = 8,868,791,937.86/104,881.10
  6. Step 6: Final answer
    x = 84,560.44

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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.