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Finding the Fourth Proportional to 223,530.30, 335,404.80 and 170,203.95

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Solution

The fourth proportional to 223,530.30, 335,404.80 and 170,203.95 is: 255,389.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,530.30 : 335,404.80 = 170,203.95 : x
  2. Step 2: Convert to fraction form
    223,530.30/335,404.80 = 170,203.95/x
  3. Step 3: Cross multiply
    223,530.30x = 335,404.80 × 170,203.95
  4. Step 4: Simplify right side
    223,530.30x = 57,087,221,808.96
  5. Step 5: Solve for x
    x = 57,087,221,808.96/223,530.30
  6. Step 6: Final answer
    x = 255,389.19

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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.