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Finding the Fourth Proportional to 356,736.68, 535,160.37 and 120,060.89

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Solution

The fourth proportional to 356,736.68, 535,160.37 and 120,060.89 is: 180,109.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,736.68 : 535,160.37 = 120,060.89 : x
  2. Step 2: Convert to fraction form
    356,736.68/535,160.37 = 120,060.89/x
  3. Step 3: Cross multiply
    356,736.68x = 535,160.37 × 120,060.89
  4. Step 4: Simplify right side
    356,736.68x = 64,251,830,314.93
  5. Step 5: Solve for x
    x = 64,251,830,314.93/356,736.68
  6. Step 6: Final answer
    x = 180,109.96

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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.