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Finding the Fourth Proportional to 372,158.07, 558,012.35 and 166,955.15

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Solution

The fourth proportional to 372,158.07, 558,012.35 and 166,955.15 is: 250,331.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,158.07 : 558,012.35 = 166,955.15 : x
  2. Step 2: Convert to fraction form
    372,158.07/558,012.35 = 166,955.15/x
  3. Step 3: Cross multiply
    372,158.07x = 558,012.35 × 166,955.15
  4. Step 4: Simplify right side
    372,158.07x = 93,163,035,596.10
  5. Step 5: Solve for x
    x = 93,163,035,596.10/372,158.07
  6. Step 6: Final answer
    x = 250,331.90

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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.