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Finding the Fourth Proportional to 210,590.62, 315,839.35 and 60,798.34

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Solution

The fourth proportional to 210,590.62, 315,839.35 and 60,798.34 is: 91,184.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,590.62 : 315,839.35 = 60,798.34 : x
  2. Step 2: Convert to fraction form
    210,590.62/315,839.35 = 60,798.34/x
  3. Step 3: Cross multiply
    210,590.62x = 315,839.35 × 60,798.34
  4. Step 4: Simplify right side
    210,590.62x = 19,202,508,186.68
  5. Step 5: Solve for x
    x = 19,202,508,186.68/210,590.62
  6. Step 6: Final answer
    x = 91,184.06

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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.