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Finding the Fourth Proportional to 171,103.61, 256,569.75 and 52,759.58

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Solution

The fourth proportional to 171,103.61, 256,569.75 and 52,759.58 is: 79,112.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,103.61 : 256,569.75 = 52,759.58 : x
  2. Step 2: Convert to fraction form
    171,103.61/256,569.75 = 52,759.58/x
  3. Step 3: Cross multiply
    171,103.61x = 256,569.75 × 52,759.58
  4. Step 4: Simplify right side
    171,103.61x = 13,536,510,967.86
  5. Step 5: Solve for x
    x = 13,536,510,967.86/171,103.61
  6. Step 6: Final answer
    x = 79,112.95

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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.