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Finding the Fourth Proportional to 356,293.07, 534,488.81 and 119,703.41

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Solution

The fourth proportional to 356,293.07, 534,488.81 and 119,703.41 is: 179,571.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,293.07 : 534,488.81 = 119,703.41 : x
  2. Step 2: Convert to fraction form
    356,293.07/534,488.81 = 119,703.41/x
  3. Step 3: Cross multiply
    356,293.07x = 534,488.81 × 119,703.41
  4. Step 4: Simplify right side
    356,293.07x = 63,980,129,892.88
  5. Step 5: Solve for x
    x = 63,980,129,892.88/356,293.07
  6. Step 6: Final answer
    x = 179,571.64

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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.