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Finding the Fourth Proportional to 104,494.50, 144,198.55 and 56,746.82

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Solution

The fourth proportional to 104,494.50, 144,198.55 and 56,746.82 is: 78,308.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,494.50 : 144,198.55 = 56,746.82 : x
  2. Step 2: Convert to fraction form
    104,494.50/144,198.55 = 56,746.82/x
  3. Step 3: Cross multiply
    104,494.50x = 144,198.55 × 56,746.82
  4. Step 4: Simplify right side
    104,494.50x = 8,182,809,161.11
  5. Step 5: Solve for x
    x = 8,182,809,161.11/104,494.50
  6. Step 6: Final answer
    x = 78,308.52

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1.5x scale

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.