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Finding the Fourth Proportional to 103,732.94, 143,168.94 and 60,119

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Solution

The fourth proportional to 103,732.94, 143,168.94 and 60,119 is: 82,974.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,732.94 : 143,168.94 = 60,119 : x
  2. Step 2: Convert to fraction form
    103,732.94/143,168.94 = 60,119/x
  3. Step 3: Cross multiply
    103,732.94x = 143,168.94 × 60,119
  4. Step 4: Simplify right side
    103,732.94x = 8,607,173,503.86
  5. Step 5: Solve for x
    x = 8,607,173,503.86/103,732.94
  6. Step 6: Final answer
    x = 82,974.35

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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.