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Finding the Fourth Proportional to 101,168.85, 141,373.95 and 101,168.85

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Solution

The fourth proportional to 101,168.85, 141,373.95 and 101,168.85 is: 141,373.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,168.85 : 141,373.95 = 101,168.85 : x
  2. Step 2: Convert to fraction form
    101,168.85/141,373.95 = 101,168.85/x
  3. Step 3: Cross multiply
    101,168.85x = 141,373.95 × 101,168.85
  4. Step 4: Simplify right side
    101,168.85x = 14,302,639,941.46
  5. Step 5: Solve for x
    x = 14,302,639,941.46/101,168.85
  6. Step 6: Final answer
    x = 141,373.95

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.