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Finding the Fourth Proportional to 101,820.99, 152,681.52 and 41,838.60

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Solution

The fourth proportional to 101,820.99, 152,681.52 and 41,838.60 is: 62,737.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,820.99 : 152,681.52 = 41,838.60 : x
  2. Step 2: Convert to fraction form
    101,820.99/152,681.52 = 41,838.60/x
  3. Step 3: Cross multiply
    101,820.99x = 152,681.52 × 41,838.60
  4. Step 4: Simplify right side
    101,820.99x = 6,387,981,042.67
  5. Step 5: Solve for x
    x = 6,387,981,042.67/101,820.99
  6. Step 6: Final answer
    x = 62,737.37

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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.