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Finding the Fourth Proportional to 114,644.02, 171,907.54 and 67,351.52

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Solution

The fourth proportional to 114,644.02, 171,907.54 and 67,351.52 is: 100,992.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,644.02 : 171,907.54 = 67,351.52 : x
  2. Step 2: Convert to fraction form
    114,644.02/171,907.54 = 67,351.52/x
  3. Step 3: Cross multiply
    114,644.02x = 171,907.54 × 67,351.52
  4. Step 4: Simplify right side
    114,644.02x = 11,578,234,118.46
  5. Step 5: Solve for x
    x = 11,578,234,118.46/114,644.02
  6. Step 6: Final answer
    x = 100,992.92

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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.