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Finding the Fourth Proportional to 70,401, 97,153.38 and 38,570.04

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Solution

The fourth proportional to 70,401, 97,153.38 and 38,570.04 is: 53,226.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,401 : 97,153.38 = 38,570.04 : x
  2. Step 2: Convert to fraction form
    70,401/97,153.38 = 38,570.04/x
  3. Step 3: Cross multiply
    70,401x = 97,153.38 × 38,570.04
  4. Step 4: Simplify right side
    70,401x = 3,747,209,752.74
  5. Step 5: Solve for x
    x = 3,747,209,752.74/70,401
  6. Step 6: Final answer
    x = 53,226.66

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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.