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Finding the Fourth Proportional to 250,717.52, 375,981.60 and 100,906.76

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Solution

The fourth proportional to 250,717.52, 375,981.60 and 100,906.76 is: 151,322.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,717.52 : 375,981.60 = 100,906.76 : x
  2. Step 2: Convert to fraction form
    250,717.52/375,981.60 = 100,906.76/x
  3. Step 3: Cross multiply
    250,717.52x = 375,981.60 × 100,906.76
  4. Step 4: Simplify right side
    250,717.52x = 37,939,085,075.62
  5. Step 5: Solve for x
    x = 37,939,085,075.62/250,717.52
  6. Step 6: Final answer
    x = 151,322.03

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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.