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Finding the Fourth Proportional to 109,941.95, 151,720.18 and 59,640.95

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Solution

The fourth proportional to 109,941.95, 151,720.18 and 59,640.95 is: 82,304.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,941.95 : 151,720.18 = 59,640.95 : x
  2. Step 2: Convert to fraction form
    109,941.95/151,720.18 = 59,640.95/x
  3. Step 3: Cross multiply
    109,941.95x = 151,720.18 × 59,640.95
  4. Step 4: Simplify right side
    109,941.95x = 9,048,735,669.37
  5. Step 5: Solve for x
    x = 9,048,735,669.37/109,941.95
  6. Step 6: Final answer
    x = 82,304.67

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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.