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Finding the Fourth Proportional to 228,548.00, 342,818.35 and 76,755.62

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Solution

The fourth proportional to 228,548.00, 342,818.35 and 76,755.62 is: 115,132.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,548.00 : 342,818.35 = 76,755.62 : x
  2. Step 2: Convert to fraction form
    228,548.00/342,818.35 = 76,755.62/x
  3. Step 3: Cross multiply
    228,548.00x = 342,818.35 × 76,755.62
  4. Step 4: Simplify right side
    228,548.00x = 26,313,235,666.78
  5. Step 5: Solve for x
    x = 26,313,235,666.78/228,548.00
  6. Step 6: Final answer
    x = 115,132.21

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1.5x scale

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.