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Finding the Fourth Proportional to 267,005.41, 368,405.53 and 158,054.87

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Solution

The fourth proportional to 267,005.41, 368,405.53 and 158,054.87 is: 218,079.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,005.41 : 368,405.53 = 158,054.87 : x
  2. Step 2: Convert to fraction form
    267,005.41/368,405.53 = 158,054.87/x
  3. Step 3: Cross multiply
    267,005.41x = 368,405.53 × 158,054.87
  4. Step 4: Simplify right side
    267,005.41x = 58,228,290,112.01
  5. Step 5: Solve for x
    x = 58,228,290,112.01/267,005.41
  6. Step 6: Final answer
    x = 218,079.07

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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.