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Finding the Fourth Proportional to 237,316.62, 356,220.96 and 158,978.28

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Solution

The fourth proportional to 237,316.62, 356,220.96 and 158,978.28 is: 238,632.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,316.62 : 356,220.96 = 158,978.28 : x
  2. Step 2: Convert to fraction form
    237,316.62/356,220.96 = 158,978.28/x
  3. Step 3: Cross multiply
    237,316.62x = 356,220.96 × 158,978.28
  4. Step 4: Simplify right side
    237,316.62x = 56,631,395,598.05
  5. Step 5: Solve for x
    x = 56,631,395,598.05/237,316.62
  6. Step 6: Final answer
    x = 238,632.24

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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.