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Finding the Fourth Proportional to 101,528.72, 152,282.08 and 26,656.38

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Solution

The fourth proportional to 101,528.72, 152,282.08 and 26,656.38 is: 39,981.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,528.72 : 152,282.08 = 26,656.38 : x
  2. Step 2: Convert to fraction form
    101,528.72/152,282.08 = 26,656.38/x
  3. Step 3: Cross multiply
    101,528.72x = 152,282.08 × 26,656.38
  4. Step 4: Simplify right side
    101,528.72x = 4,059,288,991.67
  5. Step 5: Solve for x
    x = 4,059,288,991.67/101,528.72
  6. Step 6: Final answer
    x = 39,981.68

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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.