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Finding the Fourth Proportional to 59,138.40, 88,724.60 and 34,196.32

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Solution

The fourth proportional to 59,138.40, 88,724.60 and 34,196.32 is: 51,304.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,138.40 : 88,724.60 = 34,196.32 : x
  2. Step 2: Convert to fraction form
    59,138.40/88,724.60 = 34,196.32/x
  3. Step 3: Cross multiply
    59,138.40x = 88,724.60 × 34,196.32
  4. Step 4: Simplify right side
    59,138.40x = 3,034,054,813.47
  5. Step 5: Solve for x
    x = 3,034,054,813.47/59,138.40
  6. Step 6: Final answer
    x = 51,304.31

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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.