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Finding the Fourth Proportional to 192,404.58, 287,197.87 and 169,679.35

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Solution

The fourth proportional to 192,404.58, 287,197.87 and 169,679.35 is: 253,276.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,404.58 : 287,197.87 = 169,679.35 : x
  2. Step 2: Convert to fraction form
    192,404.58/287,197.87 = 169,679.35/x
  3. Step 3: Cross multiply
    192,404.58x = 287,197.87 × 169,679.35
  4. Step 4: Simplify right side
    192,404.58x = 48,731,547,902.98
  5. Step 5: Solve for x
    x = 48,731,547,902.98/192,404.58
  6. Step 6: Final answer
    x = 253,276.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.