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Finding the Fourth Proportional to 372,637.69, 558,878.16 and 119,940.77

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Solution

The fourth proportional to 372,637.69, 558,878.16 and 119,940.77 is: 179,885.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,637.69 : 558,878.16 = 119,940.77 : x
  2. Step 2: Convert to fraction form
    372,637.69/558,878.16 = 119,940.77/x
  3. Step 3: Cross multiply
    372,637.69x = 558,878.16 × 119,940.77
  4. Step 4: Simplify right side
    372,637.69x = 67,032,276,846.58
  5. Step 5: Solve for x
    x = 67,032,276,846.58/372,637.69
  6. Step 6: Final answer
    x = 179,885.93

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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.