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Finding the Fourth Proportional to 171,117.66, 256,700.60 and 52,798.62

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Solution

The fourth proportional to 171,117.66, 256,700.60 and 52,798.62 is: 79,205.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,117.66 : 256,700.60 = 52,798.62 : x
  2. Step 2: Convert to fraction form
    171,117.66/256,700.60 = 52,798.62/x
  3. Step 3: Cross multiply
    171,117.66x = 256,700.60 × 52,798.62
  4. Step 4: Simplify right side
    171,117.66x = 13,553,436,281.67
  5. Step 5: Solve for x
    x = 13,553,436,281.67/171,117.66
  6. Step 6: Final answer
    x = 79,205.36

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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.