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Finding the Fourth Proportional to 111,714.47, 167,477.45 and 48,486.95

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Solution

The fourth proportional to 111,714.47, 167,477.45 and 48,486.95 is: 72,689.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,714.47 : 167,477.45 = 48,486.95 : x
  2. Step 2: Convert to fraction form
    111,714.47/167,477.45 = 48,486.95/x
  3. Step 3: Cross multiply
    111,714.47x = 167,477.45 × 48,486.95
  4. Step 4: Simplify right side
    111,714.47x = 8,120,469,664.46
  5. Step 5: Solve for x
    x = 8,120,469,664.46/111,714.47
  6. Step 6: Final answer
    x = 72,689.51

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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.