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Finding the Fourth Proportional to 177,611.60, 245,092.24 and 101,138.51

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Solution

The fourth proportional to 177,611.60, 245,092.24 and 101,138.51 is: 139,564.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,611.60 : 245,092.24 = 101,138.51 : x
  2. Step 2: Convert to fraction form
    177,611.60/245,092.24 = 101,138.51/x
  3. Step 3: Cross multiply
    177,611.60x = 245,092.24 × 101,138.51
  4. Step 4: Simplify right side
    177,611.60x = 24,788,263,966.16
  5. Step 5: Solve for x
    x = 24,788,263,966.16/177,611.60
  6. Step 6: Final answer
    x = 139,564.44

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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.