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Finding the Fourth Proportional to 70,569.43, 97,385.95 and 41,894.84

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Solution

The fourth proportional to 70,569.43, 97,385.95 and 41,894.84 is: 57,814.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,569.43 : 97,385.95 = 41,894.84 : x
  2. Step 2: Convert to fraction form
    70,569.43/97,385.95 = 41,894.84/x
  3. Step 3: Cross multiply
    70,569.43x = 97,385.95 × 41,894.84
  4. Step 4: Simplify right side
    70,569.43x = 4,079,968,305.88
  5. Step 5: Solve for x
    x = 4,079,968,305.88/70,569.43
  6. Step 6: Final answer
    x = 57,814.96

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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.