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Finding the Fourth Proportional to 101,176.60, 151,764.90 and 48,573.40

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Solution

The fourth proportional to 101,176.60, 151,764.90 and 48,573.40 is: 72,860.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,176.60 : 151,764.90 = 48,573.40 : x
  2. Step 2: Convert to fraction form
    101,176.60/151,764.90 = 48,573.40/x
  3. Step 3: Cross multiply
    101,176.60x = 151,764.90 × 48,573.40
  4. Step 4: Simplify right side
    101,176.60x = 7,371,737,193.66
  5. Step 5: Solve for x
    x = 7,371,737,193.66/101,176.60
  6. Step 6: Final answer
    x = 72,860.10

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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.