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Finding the Fourth Proportional to 103,262.44, 142,493.44 and 57,934.32

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Solution

The fourth proportional to 103,262.44, 142,493.44 and 57,934.32 is: 79,944.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,262.44 : 142,493.44 = 57,934.32 : x
  2. Step 2: Convert to fraction form
    103,262.44/142,493.44 = 57,934.32/x
  3. Step 3: Cross multiply
    103,262.44x = 142,493.44 × 57,934.32
  4. Step 4: Simplify right side
    103,262.44x = 8,255,260,550.86
  5. Step 5: Solve for x
    x = 8,255,260,550.86/103,262.44
  6. Step 6: Final answer
    x = 79,944.47

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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.