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Finding the Fourth Proportional to 104,741.30, 144,542.30 and 56,994.82

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Solution

The fourth proportional to 104,741.30, 144,542.30 and 56,994.82 is: 78,652.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,741.30 : 144,542.30 = 56,994.82 : x
  2. Step 2: Convert to fraction form
    104,741.30/144,542.30 = 56,994.82/x
  3. Step 3: Cross multiply
    104,741.30x = 144,542.30 × 56,994.82
  4. Step 4: Simplify right side
    104,741.30x = 8,238,162,370.89
  5. Step 5: Solve for x
    x = 8,238,162,370.89/104,741.30
  6. Step 6: Final answer
    x = 78,652.47

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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.