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Finding the Fourth Proportional to 356,883.06, 535,356.06 and 100,717.92

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Solution

The fourth proportional to 356,883.06, 535,356.06 and 100,717.92 is: 151,085.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,883.06 : 535,356.06 = 100,717.92 : x
  2. Step 2: Convert to fraction form
    356,883.06/535,356.06 = 100,717.92/x
  3. Step 3: Cross multiply
    356,883.06x = 535,356.06 × 100,717.92
  4. Step 4: Simplify right side
    356,883.06x = 53,919,948,822.60
  5. Step 5: Solve for x
    x = 53,919,948,822.60/356,883.06
  6. Step 6: Final answer
    x = 151,085.76

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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.