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Finding the Fourth Proportional to 266,967.66, 368,407.92 and 158,077.47

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Solution

The fourth proportional to 266,967.66, 368,407.92 and 158,077.47 is: 218,142.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,967.66 : 368,407.92 = 158,077.47 : x
  2. Step 2: Convert to fraction form
    266,967.66/368,407.92 = 158,077.47/x
  3. Step 3: Cross multiply
    266,967.66x = 368,407.92 × 158,077.47
  4. Step 4: Simplify right side
    266,967.66x = 58,236,991,921.56
  5. Step 5: Solve for x
    x = 58,236,991,921.56/266,967.66
  6. Step 6: Final answer
    x = 218,142.50

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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.