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Finding the Fourth Proportional to 88,794.32, 122,539.80 and 51,068.60

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Solution

The fourth proportional to 88,794.32, 122,539.80 and 51,068.60 is: 70,476.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,794.32 : 122,539.80 = 51,068.60 : x
  2. Step 2: Convert to fraction form
    88,794.32/122,539.80 = 51,068.60/x
  3. Step 3: Cross multiply
    88,794.32x = 122,539.80 × 51,068.60
  4. Step 4: Simplify right side
    88,794.32x = 6,257,936,030.28
  5. Step 5: Solve for x
    x = 6,257,936,030.28/88,794.32
  6. Step 6: Final answer
    x = 70,476.76

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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.