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Finding the Fourth Proportional to 223,663.09, 335,483.70 and 83,410.78

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Solution

The fourth proportional to 223,663.09, 335,483.70 and 83,410.78 is: 125,112.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,663.09 : 335,483.70 = 83,410.78 : x
  2. Step 2: Convert to fraction form
    223,663.09/335,483.70 = 83,410.78/x
  3. Step 3: Cross multiply
    223,663.09x = 335,483.70 × 83,410.78
  4. Step 4: Simplify right side
    223,663.09x = 27,982,957,670.04
  5. Step 5: Solve for x
    x = 27,982,957,670.04/223,663.09
  6. Step 6: Final answer
    x = 125,112.09

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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.