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Finding the Fourth Proportional to 114,562.70, 171,844.05 and 79,570.70

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Solution

The fourth proportional to 114,562.70, 171,844.05 and 79,570.70 is: 119,356.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,562.70 : 171,844.05 = 79,570.70 : x
  2. Step 2: Convert to fraction form
    114,562.70/171,844.05 = 79,570.70/x
  3. Step 3: Cross multiply
    114,562.70x = 171,844.05 × 79,570.70
  4. Step 4: Simplify right side
    114,562.70x = 13,673,751,349.34
  5. Step 5: Solve for x
    x = 13,673,751,349.34/114,562.70
  6. Step 6: Final answer
    x = 119,356.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.