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Finding the Fourth Proportional to 220,011.66, 303,590.91 and 123,202.02

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Solution

The fourth proportional to 220,011.66, 303,590.91 and 123,202.02 is: 170,004.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,011.66 : 303,590.91 = 123,202.02 : x
  2. Step 2: Convert to fraction form
    220,011.66/303,590.91 = 123,202.02/x
  3. Step 3: Cross multiply
    220,011.66x = 303,590.91 × 123,202.02
  4. Step 4: Simplify right side
    220,011.66x = 37,403,013,365.64
  5. Step 5: Solve for x
    x = 37,403,013,365.64/220,011.66
  6. Step 6: Final answer
    x = 170,004.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.