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Finding the Fourth Proportional to 266,107.86, 367,219.71 and 158,622.48

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Solution

The fourth proportional to 266,107.86, 367,219.71 and 158,622.48 is: 218,893.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,107.86 : 367,219.71 = 158,622.48 : x
  2. Step 2: Convert to fraction form
    266,107.86/367,219.71 = 158,622.48/x
  3. Step 3: Cross multiply
    266,107.86x = 367,219.71 × 158,622.48
  4. Step 4: Simplify right side
    266,107.86x = 58,249,301,105.08
  5. Step 5: Solve for x
    x = 58,249,301,105.08/266,107.86
  6. Step 6: Final answer
    x = 218,893.58

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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.