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Finding the Fourth Proportional to 223,676.80, 335,612.40 and 112,868.80

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Solution

The fourth proportional to 223,676.80, 335,612.40 and 112,868.80 is: 169,352.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,676.80 : 335,612.40 = 112,868.80 : x
  2. Step 2: Convert to fraction form
    223,676.80/335,612.40 = 112,868.80/x
  3. Step 3: Cross multiply
    223,676.80x = 335,612.40 × 112,868.80
  4. Step 4: Simplify right side
    223,676.80x = 37,880,168,853.12
  5. Step 5: Solve for x
    x = 37,880,168,853.12/223,676.80
  6. Step 6: Final answer
    x = 169,352.25

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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.