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Finding the Fourth Proportional to 111,607.44, 154,148.12 and 93,523.68

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Solution

The fourth proportional to 111,607.44, 154,148.12 and 93,523.68 is: 129,171.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,607.44 : 154,148.12 = 93,523.68 : x
  2. Step 2: Convert to fraction form
    111,607.44/154,148.12 = 93,523.68/x
  3. Step 3: Cross multiply
    111,607.44x = 154,148.12 × 93,523.68
  4. Step 4: Simplify right side
    111,607.44x = 14,416,499,447.48
  5. Step 5: Solve for x
    x = 14,416,499,447.48/111,607.44
  6. Step 6: Final answer
    x = 129,171.49

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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.