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Finding the Fourth Proportional to 223,480.80, 334,832.40 and 144,554.40

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Solution

The fourth proportional to 223,480.80, 334,832.40 and 144,554.40 is: 216,580.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,480.80 : 334,832.40 = 144,554.40 : x
  2. Step 2: Convert to fraction form
    223,480.80/334,832.40 = 144,554.40/x
  3. Step 3: Cross multiply
    223,480.80x = 334,832.40 × 144,554.40
  4. Step 4: Simplify right side
    223,480.80x = 48,401,496,682.56
  5. Step 5: Solve for x
    x = 48,401,496,682.56/223,480.80
  6. Step 6: Final answer
    x = 216,580.11

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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.