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Finding the Fourth Proportional to 356,788.53, 535,182.84 and 107,470.53

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Solution

The fourth proportional to 356,788.53, 535,182.84 and 107,470.53 is: 161,205.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,788.53 : 535,182.84 = 107,470.53 : x
  2. Step 2: Convert to fraction form
    356,788.53/535,182.84 = 107,470.53/x
  3. Step 3: Cross multiply
    356,788.53x = 535,182.84 × 107,470.53
  4. Step 4: Simplify right side
    356,788.53x = 57,516,383,461.71
  5. Step 5: Solve for x
    x = 57,516,383,461.71/356,788.53
  6. Step 6: Final answer
    x = 161,205.81

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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.