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Finding the Fourth Proportional to 222,283.74, 306,748.47 and 126,792.03

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Solution

The fourth proportional to 222,283.74, 306,748.47 and 126,792.03 is: 174,971.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,283.74 : 306,748.47 = 126,792.03 : x
  2. Step 2: Convert to fraction form
    222,283.74/306,748.47 = 126,792.03/x
  3. Step 3: Cross multiply
    222,283.74x = 306,748.47 × 126,792.03
  4. Step 4: Simplify right side
    222,283.74x = 38,893,262,123.27
  5. Step 5: Solve for x
    x = 38,893,262,123.27/222,283.74
  6. Step 6: Final answer
    x = 174,971.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.