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Finding the Fourth Proportional to 111,491.61, 167,262.95 and 48,322.35

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Solution

The fourth proportional to 111,491.61, 167,262.95 and 48,322.35 is: 72,494.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,491.61 : 167,262.95 = 48,322.35 : x
  2. Step 2: Convert to fraction form
    111,491.61/167,262.95 = 48,322.35/x
  3. Step 3: Cross multiply
    111,491.61x = 167,262.95 × 48,322.35
  4. Step 4: Simplify right side
    111,491.61x = 8,082,538,570.32
  5. Step 5: Solve for x
    x = 8,082,538,570.32/111,491.61
  6. Step 6: Final answer
    x = 72,494.59

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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.