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Finding the Fourth Proportional to 335,663.10, 503,501.37 and 125,259.06

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Solution

The fourth proportional to 335,663.10, 503,501.37 and 125,259.06 is: 187,891.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,663.10 : 503,501.37 = 125,259.06 : x
  2. Step 2: Convert to fraction form
    335,663.10/503,501.37 = 125,259.06/x
  3. Step 3: Cross multiply
    335,663.10x = 503,501.37 × 125,259.06
  4. Step 4: Simplify right side
    335,663.10x = 63,068,108,314.91
  5. Step 5: Solve for x
    x = 63,068,108,314.91/335,663.10
  6. Step 6: Final answer
    x = 187,891.10

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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.