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Finding the Fourth Proportional to 210,674, 316,011 and 62,930

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Solution

The fourth proportional to 210,674, 316,011 and 62,930 is: 94,395

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,674 : 316,011 = 62,930 : x
  2. Step 2: Convert to fraction form
    210,674/316,011 = 62,930/x
  3. Step 3: Cross multiply
    210,674x = 316,011 × 62,930
  4. Step 4: Simplify right side
    210,674x = 19,886,572,230
  5. Step 5: Solve for x
    x = 19,886,572,230/210,674
  6. Step 6: Final answer
    x = 94,395

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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.