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Finding the Fourth Proportional to 237,562.63, 356,306.81 and 77,637.30

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Solution

The fourth proportional to 237,562.63, 356,306.81 and 77,637.30 is: 116,443.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,562.63 : 356,306.81 = 77,637.30 : x
  2. Step 2: Convert to fraction form
    237,562.63/356,306.81 = 77,637.30/x
  3. Step 3: Cross multiply
    237,562.63x = 356,306.81 × 77,637.30
  4. Step 4: Simplify right side
    237,562.63x = 27,662,698,700.01
  5. Step 5: Solve for x
    x = 27,662,698,700.01/237,562.63
  6. Step 6: Final answer
    x = 116,443.81

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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.