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Finding the Fourth Proportional to 356,113.62, 534,296.79 and 119,455.92

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Solution

The fourth proportional to 356,113.62, 534,296.79 and 119,455.92 is: 179,226.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,113.62 : 534,296.79 = 119,455.92 : x
  2. Step 2: Convert to fraction form
    356,113.62/534,296.79 = 119,455.92/x
  3. Step 3: Cross multiply
    356,113.62x = 534,296.79 × 119,455.92
  4. Step 4: Simplify right side
    356,113.62x = 63,824,914,602.50
  5. Step 5: Solve for x
    x = 63,824,914,602.50/356,113.62
  6. Step 6: Final answer
    x = 179,226.27

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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.