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Finding the Fourth Proportional to 88,873.70, 133,094.55 and 47,228.90

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Solution

The fourth proportional to 88,873.70, 133,094.55 and 47,228.90 is: 70,728.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,873.70 : 133,094.55 = 47,228.90 : x
  2. Step 2: Convert to fraction form
    88,873.70/133,094.55 = 47,228.90/x
  3. Step 3: Cross multiply
    88,873.70x = 133,094.55 × 47,228.90
  4. Step 4: Simplify right side
    88,873.70x = 6,285,909,192.50
  5. Step 5: Solve for x
    x = 6,285,909,192.50/88,873.70
  6. Step 6: Final answer
    x = 70,728.56

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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.