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Finding the Fourth Proportional to 88,654.68, 122,343.30 and 48,368.46

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Solution

The fourth proportional to 88,654.68, 122,343.30 and 48,368.46 is: 66,748.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,654.68 : 122,343.30 = 48,368.46 : x
  2. Step 2: Convert to fraction form
    88,654.68/122,343.30 = 48,368.46/x
  3. Step 3: Cross multiply
    88,654.68x = 122,343.30 × 48,368.46
  4. Step 4: Simplify right side
    88,654.68x = 5,917,557,012.32
  5. Step 5: Solve for x
    x = 5,917,557,012.32/88,654.68
  6. Step 6: Final answer
    x = 66,748.39

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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.