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Finding the Fourth Proportional to 243,255.30, 364,554.90 and 163,065.30

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Solution

The fourth proportional to 243,255.30, 364,554.90 and 163,065.30 is: 244,378.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,255.30 : 364,554.90 = 163,065.30 : x
  2. Step 2: Convert to fraction form
    243,255.30/364,554.90 = 163,065.30/x
  3. Step 3: Cross multiply
    243,255.30x = 364,554.90 × 163,065.30
  4. Step 4: Simplify right side
    243,255.30x = 59,446,254,134.97
  5. Step 5: Solve for x
    x = 59,446,254,134.97/243,255.30
  6. Step 6: Final answer
    x = 244,378.04

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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.