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Finding the Fourth Proportional to 372,078.30, 558,117.45 and 119,358.30

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Solution

The fourth proportional to 372,078.30, 558,117.45 and 119,358.30 is: 179,037.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,078.30 : 558,117.45 = 119,358.30 : x
  2. Step 2: Convert to fraction form
    372,078.30/558,117.45 = 119,358.30/x
  3. Step 3: Cross multiply
    372,078.30x = 558,117.45 × 119,358.30
  4. Step 4: Simplify right side
    372,078.30x = 66,615,950,032.34
  5. Step 5: Solve for x
    x = 66,615,950,032.34/372,078.30
  6. Step 6: Final answer
    x = 179,037.45

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.