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Finding the Fourth Proportional to 255,108.87, 351,932.46 and 164,493.93

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Solution

The fourth proportional to 255,108.87, 351,932.46 and 164,493.93 is: 226,925.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,108.87 : 351,932.46 = 164,493.93 : x
  2. Step 2: Convert to fraction form
    255,108.87/351,932.46 = 164,493.93/x
  3. Step 3: Cross multiply
    255,108.87x = 351,932.46 × 164,493.93
  4. Step 4: Simplify right side
    255,108.87x = 57,890,754,142.86
  5. Step 5: Solve for x
    x = 57,890,754,142.86/255,108.87
  6. Step 6: Final answer
    x = 226,925.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.