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Finding the Fourth Proportional to 170,594.91, 255,835.18 and 56,716.45

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Solution

The fourth proportional to 170,594.91, 255,835.18 and 56,716.45 is: 85,055.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,594.91 : 255,835.18 = 56,716.45 : x
  2. Step 2: Convert to fraction form
    170,594.91/255,835.18 = 56,716.45/x
  3. Step 3: Cross multiply
    170,594.91x = 255,835.18 × 56,716.45
  4. Step 4: Simplify right side
    170,594.91x = 14,510,062,626.02
  5. Step 5: Solve for x
    x = 14,510,062,626.02/170,594.91
  6. Step 6: Final answer
    x = 85,055.66

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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.