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Finding the Fourth Proportional to 88,870.70, 133,090.05 and 47,225.90

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Solution

The fourth proportional to 88,870.70, 133,090.05 and 47,225.90 is: 70,724.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,870.70 : 133,090.05 = 47,225.90 : x
  2. Step 2: Convert to fraction form
    88,870.70/133,090.05 = 47,225.90/x
  3. Step 3: Cross multiply
    88,870.70x = 133,090.05 × 47,225.90
  4. Step 4: Simplify right side
    88,870.70x = 6,285,297,392.30
  5. Step 5: Solve for x
    x = 6,285,297,392.30/88,870.70
  6. Step 6: Final answer
    x = 70,724.07

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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.