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Finding the Fourth Proportional to 101,637.91, 152,596.52 and 51,751.53

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Solution

The fourth proportional to 101,637.91, 152,596.52 and 51,751.53 is: 77,698.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,637.91 : 152,596.52 = 51,751.53 : x
  2. Step 2: Convert to fraction form
    101,637.91/152,596.52 = 51,751.53/x
  3. Step 3: Cross multiply
    101,637.91x = 152,596.52 × 51,751.53
  4. Step 4: Simplify right side
    101,637.91x = 7,897,103,382.68
  5. Step 5: Solve for x
    x = 7,897,103,382.68/101,637.91
  6. Step 6: Final answer
    x = 77,698.40

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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.