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Finding the Fourth Proportional to 80,392.86, 110,934.14 and 46,412.31

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Solution

The fourth proportional to 80,392.86, 110,934.14 and 46,412.31 is: 64,044.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,392.86 : 110,934.14 = 46,412.31 : x
  2. Step 2: Convert to fraction form
    80,392.86/110,934.14 = 46,412.31/x
  3. Step 3: Cross multiply
    80,392.86x = 110,934.14 × 46,412.31
  4. Step 4: Simplify right side
    80,392.86x = 5,148,709,463.20
  5. Step 5: Solve for x
    x = 5,148,709,463.20/80,392.86
  6. Step 6: Final answer
    x = 64,044.36

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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.