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Finding the Fourth Proportional to 243,266.70, 364,608.45 and 124,877.10

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Solution

The fourth proportional to 243,266.70, 364,608.45 and 124,877.10 is: 187,165.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,266.70 : 364,608.45 = 124,877.10 : x
  2. Step 2: Convert to fraction form
    243,266.70/364,608.45 = 124,877.10/x
  3. Step 3: Cross multiply
    243,266.70x = 364,608.45 × 124,877.10
  4. Step 4: Simplify right side
    243,266.70x = 45,531,245,871.50
  5. Step 5: Solve for x
    x = 45,531,245,871.50/243,266.70
  6. Step 6: Final answer
    x = 187,165.96

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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.