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Finding the Fourth Proportional to 124,698.34, 187,020.78 and 35,935.30

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Solution

The fourth proportional to 124,698.34, 187,020.78 and 35,935.30 is: 53,895.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,698.34 : 187,020.78 = 35,935.30 : x
  2. Step 2: Convert to fraction form
    124,698.34/187,020.78 = 35,935.30/x
  3. Step 3: Cross multiply
    124,698.34x = 187,020.78 × 35,935.30
  4. Step 4: Simplify right side
    124,698.34x = 6,720,647,835.53
  5. Step 5: Solve for x
    x = 6,720,647,835.53/124,698.34
  6. Step 6: Final answer
    x = 53,895.25

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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.