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Finding the Fourth Proportional to 228,031.98, 342,053.85 and 108,060.78

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Solution

The fourth proportional to 228,031.98, 342,053.85 and 108,060.78 is: 162,093.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,031.98 : 342,053.85 = 108,060.78 : x
  2. Step 2: Convert to fraction form
    228,031.98/342,053.85 = 108,060.78/x
  3. Step 3: Cross multiply
    228,031.98x = 342,053.85 × 108,060.78
  4. Step 4: Simplify right side
    228,031.98x = 36,962,605,833.00
  5. Step 5: Solve for x
    x = 36,962,605,833.00/228,031.98
  6. Step 6: Final answer
    x = 162,093.96

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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.