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Finding the Fourth Proportional to 191,625.03, 287,472.20 and 79,244.24

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Solution

The fourth proportional to 191,625.03, 287,472.20 and 79,244.24 is: 118,880.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,625.03 : 287,472.20 = 79,244.24 : x
  2. Step 2: Convert to fraction form
    191,625.03/287,472.20 = 79,244.24/x
  3. Step 3: Cross multiply
    191,625.03x = 287,472.20 × 79,244.24
  4. Step 4: Simplify right side
    191,625.03x = 22,780,514,176.55
  5. Step 5: Solve for x
    x = 22,780,514,176.55/191,625.03
  6. Step 6: Final answer
    x = 118,880.68

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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.