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Finding the Fourth Proportional to 237,993.40, 356,800.66 and 117,965.88

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Solution

The fourth proportional to 237,993.40, 356,800.66 and 117,965.88 is: 176,854.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,993.40 : 356,800.66 = 117,965.88 : x
  2. Step 2: Convert to fraction form
    237,993.40/356,800.66 = 117,965.88/x
  3. Step 3: Cross multiply
    237,993.40x = 356,800.66 × 117,965.88
  4. Step 4: Simplify right side
    237,993.40x = 42,090,303,841.48
  5. Step 5: Solve for x
    x = 42,090,303,841.48/237,993.40
  6. Step 6: Final answer
    x = 176,854.92

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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.