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Finding the Fourth Proportional to 111,954.60, 167,931.90 and 97,374.60

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Solution

The fourth proportional to 111,954.60, 167,931.90 and 97,374.60 is: 146,061.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,954.60 : 167,931.90 = 97,374.60 : x
  2. Step 2: Convert to fraction form
    111,954.60/167,931.90 = 97,374.60/x
  3. Step 3: Cross multiply
    111,954.60x = 167,931.90 × 97,374.60
  4. Step 4: Simplify right side
    111,954.60x = 16,352,301,589.74
  5. Step 5: Solve for x
    x = 16,352,301,589.74/111,954.60
  6. Step 6: Final answer
    x = 146,061.90

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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.