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Finding the Fourth Proportional to 237,316.34, 356,220.55 and 158,978.00

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Solution

The fourth proportional to 237,316.34, 356,220.55 and 158,978.00 is: 238,631.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,316.34 : 356,220.55 = 158,978.00 : x
  2. Step 2: Convert to fraction form
    237,316.34/356,220.55 = 158,978.00/x
  3. Step 3: Cross multiply
    237,316.34x = 356,220.55 × 158,978.00
  4. Step 4: Simplify right side
    237,316.34x = 56,631,228,789.18
  5. Step 5: Solve for x
    x = 56,631,228,789.18/237,316.34
  6. Step 6: Final answer
    x = 238,631.82

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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.