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Finding the Fourth Proportional to 223,386.80, 335,080.20 and 134,813.30

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Solution

The fourth proportional to 223,386.80, 335,080.20 and 134,813.30 is: 202,219.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,386.80 : 335,080.20 = 134,813.30 : x
  2. Step 2: Convert to fraction form
    223,386.80/335,080.20 = 134,813.30/x
  3. Step 3: Cross multiply
    223,386.80x = 335,080.20 × 134,813.30
  4. Step 4: Simplify right side
    223,386.80x = 45,173,267,526.66
  5. Step 5: Solve for x
    x = 45,173,267,526.66/223,386.80
  6. Step 6: Final answer
    x = 202,219.95

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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.