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Finding the Fourth Proportional to 168,367.80, 232,347.08 and 92,915.76

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Solution

The fourth proportional to 168,367.80, 232,347.08 and 92,915.76 is: 128,223.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,367.80 : 232,347.08 = 92,915.76 : x
  2. Step 2: Convert to fraction form
    168,367.80/232,347.08 = 92,915.76/x
  3. Step 3: Cross multiply
    168,367.80x = 232,347.08 × 92,915.76
  4. Step 4: Simplify right side
    168,367.80x = 21,588,705,521.98
  5. Step 5: Solve for x
    x = 21,588,705,521.98/168,367.80
  6. Step 6: Final answer
    x = 128,223.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.