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Finding the Fourth Proportional to 222,451.70, 333,645.15 and 64,663.70

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Solution

The fourth proportional to 222,451.70, 333,645.15 and 64,663.70 is: 96,986.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,451.70 : 333,645.15 = 64,663.70 : x
  2. Step 2: Convert to fraction form
    222,451.70/333,645.15 = 64,663.70/x
  3. Step 3: Cross multiply
    222,451.70x = 333,645.15 × 64,663.70
  4. Step 4: Simplify right side
    222,451.70x = 21,574,729,886.06
  5. Step 5: Solve for x
    x = 21,574,729,886.06/222,451.70
  6. Step 6: Final answer
    x = 96,986.13

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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.