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Finding the Fourth Proportional to 222,871.65, 334,303.80 and 89,748.56

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Solution

The fourth proportional to 222,871.65, 334,303.80 and 89,748.56 is: 134,621.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,871.65 : 334,303.80 = 89,748.56 : x
  2. Step 2: Convert to fraction form
    222,871.65/334,303.80 = 89,748.56/x
  3. Step 3: Cross multiply
    222,871.65x = 334,303.80 × 89,748.56
  4. Step 4: Simplify right side
    222,871.65x = 30,003,282,981.01
  5. Step 5: Solve for x
    x = 30,003,282,981.01/222,871.65
  6. Step 6: Final answer
    x = 134,621.35

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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.