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Finding the Fourth Proportional to 222,240.66, 333,226.00 and 87,142.88

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Solution

The fourth proportional to 222,240.66, 333,226.00 and 87,142.88 is: 130,661.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,240.66 : 333,226.00 = 87,142.88 : x
  2. Step 2: Convert to fraction form
    222,240.66/333,226.00 = 87,142.88/x
  3. Step 3: Cross multiply
    222,240.66x = 333,226.00 × 87,142.88
  4. Step 4: Simplify right side
    222,240.66x = 29,038,272,398.48
  5. Step 5: Solve for x
    x = 29,038,272,398.48/222,240.66
  6. Step 6: Final answer
    x = 130,661.38

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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.