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Finding the Fourth Proportional to 237,978.17, 356,779.99 and 117,952.57

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Solution

The fourth proportional to 237,978.17, 356,779.99 and 117,952.57 is: 176,836.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,978.17 : 356,779.99 = 117,952.57 : x
  2. Step 2: Convert to fraction form
    237,978.17/356,779.99 = 117,952.57/x
  3. Step 3: Cross multiply
    237,978.17x = 356,779.99 × 117,952.57
  4. Step 4: Simplify right side
    237,978.17x = 42,083,117,338.49
  5. Step 5: Solve for x
    x = 42,083,117,338.49/237,978.17
  6. Step 6: Final answer
    x = 176,836.04

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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.