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Finding the Fourth Proportional to 104,684.92, 144,417.54 and 62,219.32

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Solution

The fourth proportional to 104,684.92, 144,417.54 and 62,219.32 is: 85,834.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,684.92 : 144,417.54 = 62,219.32 : x
  2. Step 2: Convert to fraction form
    104,684.92/144,417.54 = 62,219.32/x
  3. Step 3: Cross multiply
    104,684.92x = 144,417.54 × 62,219.32
  4. Step 4: Simplify right side
    104,684.92x = 8,985,561,134.87
  5. Step 5: Solve for x
    x = 8,985,561,134.87/104,684.92
  6. Step 6: Final answer
    x = 85,834.34

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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.