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Finding the Fourth Proportional to 372,065.93, 558,101.93 and 119,346.80

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Solution

The fourth proportional to 372,065.93, 558,101.93 and 119,346.80 is: 179,021.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,065.93 : 558,101.93 = 119,346.80 : x
  2. Step 2: Convert to fraction form
    372,065.93/558,101.93 = 119,346.80/x
  3. Step 3: Cross multiply
    372,065.93x = 558,101.93 × 119,346.80
  4. Step 4: Simplify right side
    372,065.93x = 66,607,676,032.08
  5. Step 5: Solve for x
    x = 66,607,676,032.08/372,065.93
  6. Step 6: Final answer
    x = 179,021.17

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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.