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Finding the Fourth Proportional to 70,429, 97,174.62 and 41,755.38

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Solution

The fourth proportional to 70,429, 97,174.62 and 41,755.38 is: 57,612.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,429 : 97,174.62 = 41,755.38 : x
  2. Step 2: Convert to fraction form
    70,429/97,174.62 = 41,755.38/x
  3. Step 3: Cross multiply
    70,429x = 97,174.62 × 41,755.38
  4. Step 4: Simplify right side
    70,429x = 4,057,563,184.46
  5. Step 5: Solve for x
    x = 4,057,563,184.46/70,429
  6. Step 6: Final answer
    x = 57,612.11

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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.