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Finding the Fourth Proportional to 237,641.18, 356,343.17 and 77,696.28

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Solution

The fourth proportional to 237,641.18, 356,343.17 and 77,696.28 is: 116,505.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,641.18 : 356,343.17 = 77,696.28 : x
  2. Step 2: Convert to fraction form
    237,641.18/356,343.17 = 77,696.28/x
  3. Step 3: Cross multiply
    237,641.18x = 356,343.17 × 77,696.28
  4. Step 4: Simplify right side
    237,641.18x = 27,686,538,323.93
  5. Step 5: Solve for x
    x = 27,686,538,323.93/237,641.18
  6. Step 6: Final answer
    x = 116,505.64

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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.