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Finding the Fourth Proportional to 356,533.88, 535,010.99 and 132,051.95

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Solution

The fourth proportional to 356,533.88, 535,010.99 and 132,051.95 is: 198,155.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,533.88 : 535,010.99 = 132,051.95 : x
  2. Step 2: Convert to fraction form
    356,533.88/535,010.99 = 132,051.95/x
  3. Step 3: Cross multiply
    356,533.88x = 535,010.99 × 132,051.95
  4. Step 4: Simplify right side
    356,533.88x = 70,649,241,165.62
  5. Step 5: Solve for x
    x = 70,649,241,165.62/356,533.88
  6. Step 6: Final answer
    x = 198,155.76

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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.