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Finding the Fourth Proportional to 252,653.85, 348,776.28 and 166,663.98

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Solution

The fourth proportional to 252,653.85, 348,776.28 and 166,663.98 is: 230,071.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,653.85 : 348,776.28 = 166,663.98 : x
  2. Step 2: Convert to fraction form
    252,653.85/348,776.28 = 166,663.98/x
  3. Step 3: Cross multiply
    252,653.85x = 348,776.28 × 166,663.98
  4. Step 4: Simplify right side
    252,653.85x = 58,128,442,954.39
  5. Step 5: Solve for x
    x = 58,128,442,954.39/252,653.85
  6. Step 6: Final answer
    x = 230,071.47

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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.