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Finding the Fourth Proportional to 111,113.85, 153,337.51 and 60,126.57

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Solution

The fourth proportional to 111,113.85, 153,337.51 and 60,126.57 is: 82,974.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,113.85 : 153,337.51 = 60,126.57 : x
  2. Step 2: Convert to fraction form
    111,113.85/153,337.51 = 60,126.57/x
  3. Step 3: Cross multiply
    111,113.85x = 153,337.51 × 60,126.57
  4. Step 4: Simplify right side
    111,113.85x = 9,219,659,178.81
  5. Step 5: Solve for x
    x = 9,219,659,178.81/111,113.85
  6. Step 6: Final answer
    x = 82,974.89

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.