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Finding the Fourth Proportional to 80,798.14, 111,463.14 and 56,937.94

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Solution

The fourth proportional to 80,798.14, 111,463.14 and 56,937.94 is: 78,547.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,798.14 : 111,463.14 = 56,937.94 : x
  2. Step 2: Convert to fraction form
    80,798.14/111,463.14 = 56,937.94/x
  3. Step 3: Cross multiply
    80,798.14x = 111,463.14 × 56,937.94
  4. Step 4: Simplify right side
    80,798.14x = 6,346,481,577.53
  5. Step 5: Solve for x
    x = 6,346,481,577.53/80,798.14
  6. Step 6: Final answer
    x = 78,547.37

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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.