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Finding the Fourth Proportional to 222,001.10, 333,001.65 and 81,730.70

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Solution

The fourth proportional to 222,001.10, 333,001.65 and 81,730.70 is: 122,596.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,001.10 : 333,001.65 = 81,730.70 : x
  2. Step 2: Convert to fraction form
    222,001.10/333,001.65 = 81,730.70/x
  3. Step 3: Cross multiply
    222,001.10x = 333,001.65 × 81,730.70
  4. Step 4: Simplify right side
    222,001.10x = 27,216,457,955.66
  5. Step 5: Solve for x
    x = 27,216,457,955.66/222,001.10
  6. Step 6: Final answer
    x = 122,596.05

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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.