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Finding the Fourth Proportional to 373,707.86, 560,228.47 and 136,995.29

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Solution

The fourth proportional to 373,707.86, 560,228.47 and 136,995.29 is: 205,370.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,707.86 : 560,228.47 = 136,995.29 : x
  2. Step 2: Convert to fraction form
    373,707.86/560,228.47 = 136,995.29/x
  3. Step 3: Cross multiply
    373,707.86x = 560,228.47 × 136,995.29
  4. Step 4: Simplify right side
    373,707.86x = 76,748,661,713.91
  5. Step 5: Solve for x
    x = 76,748,661,713.91/373,707.86
  6. Step 6: Final answer
    x = 205,370.75

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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.