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Finding the Fourth Proportional to 372,908.13, 559,362.26 and 123,590.13

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Solution

The fourth proportional to 372,908.13, 559,362.26 and 123,590.13 is: 185,385.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,908.13 : 559,362.26 = 123,590.13 : x
  2. Step 2: Convert to fraction form
    372,908.13/559,362.26 = 123,590.13/x
  3. Step 3: Cross multiply
    372,908.13x = 559,362.26 × 123,590.13
  4. Step 4: Simplify right side
    372,908.13x = 69,131,654,430.49
  5. Step 5: Solve for x
    x = 69,131,654,430.49/372,908.13
  6. Step 6: Final answer
    x = 185,385.22

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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.