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Finding the Fourth Proportional to 222,127.53, 332,989.70 and 115,386.72

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Solution

The fourth proportional to 222,127.53, 332,989.70 and 115,386.72 is: 172,975.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,127.53 : 332,989.70 = 115,386.72 : x
  2. Step 2: Convert to fraction form
    222,127.53/332,989.70 = 115,386.72/x
  3. Step 3: Cross multiply
    222,127.53x = 332,989.70 × 115,386.72
  4. Step 4: Simplify right side
    222,127.53x = 38,422,588,699.85
  5. Step 5: Solve for x
    x = 38,422,588,699.85/222,127.53
  6. Step 6: Final answer
    x = 172,975.36

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1.5x scale

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.