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Finding the Fourth Proportional to 223,503.72, 335,115.42 and 83,146.92

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Solution

The fourth proportional to 223,503.72, 335,115.42 and 83,146.92 is: 124,668.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,503.72 : 335,115.42 = 83,146.92 : x
  2. Step 2: Convert to fraction form
    223,503.72/335,115.42 = 83,146.92/x
  3. Step 3: Cross multiply
    223,503.72x = 335,115.42 × 83,146.92
  4. Step 4: Simplify right side
    223,503.72x = 27,863,815,017.51
  5. Step 5: Solve for x
    x = 27,863,815,017.51/223,503.72
  6. Step 6: Final answer
    x = 124,668.24

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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.