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Finding the Fourth Proportional to 104,776.83, 144,619.85 and 64,524.35

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Solution

The fourth proportional to 104,776.83, 144,619.85 and 64,524.35 is: 89,060.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,776.83 : 144,619.85 = 64,524.35 : x
  2. Step 2: Convert to fraction form
    104,776.83/144,619.85 = 64,524.35/x
  3. Step 3: Cross multiply
    104,776.83x = 144,619.85 × 64,524.35
  4. Step 4: Simplify right side
    104,776.83x = 9,331,500,772.63
  5. Step 5: Solve for x
    x = 9,331,500,772.63/104,776.83
  6. Step 6: Final answer
    x = 89,060.73

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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.