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Finding the Fourth Proportional to 356,736.18, 535,159.62 and 120,060.39

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Solution

The fourth proportional to 356,736.18, 535,159.62 and 120,060.39 is: 180,109.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,736.18 : 535,159.62 = 120,060.39 : x
  2. Step 2: Convert to fraction form
    356,736.18/535,159.62 = 120,060.39/x
  3. Step 3: Cross multiply
    356,736.18x = 535,159.62 × 120,060.39
  4. Step 4: Simplify right side
    356,736.18x = 64,251,472,689.45
  5. Step 5: Solve for x
    x = 64,251,472,689.45/356,736.18
  6. Step 6: Final answer
    x = 180,109.21

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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.