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Finding the Fourth Proportional to 223,886.70, 335,392.65 and 134,875.80

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Solution

The fourth proportional to 223,886.70, 335,392.65 and 134,875.80 is: 202,050.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,886.70 : 335,392.65 = 134,875.80 : x
  2. Step 2: Convert to fraction form
    223,886.70/335,392.65 = 134,875.80/x
  3. Step 3: Cross multiply
    223,886.70x = 335,392.65 × 134,875.80
  4. Step 4: Simplify right side
    223,886.70x = 45,236,351,982.87
  5. Step 5: Solve for x
    x = 45,236,351,982.87/223,886.70
  6. Step 6: Final answer
    x = 202,050.20

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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.