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Finding the Fourth Proportional to 222,298.01, 333,509.45 and 89,271.67

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Solution

The fourth proportional to 222,298.01, 333,509.45 and 89,271.67 is: 133,932.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,298.01 : 333,509.45 = 89,271.67 : x
  2. Step 2: Convert to fraction form
    222,298.01/333,509.45 = 89,271.67/x
  3. Step 3: Cross multiply
    222,298.01x = 333,509.45 × 89,271.67
  4. Step 4: Simplify right side
    222,298.01x = 29,772,945,562.28
  5. Step 5: Solve for x
    x = 29,772,945,562.28/222,298.01
  6. Step 6: Final answer
    x = 133,932.58

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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.