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Finding the Fourth Proportional to 97,294.20, 145,941.30 and 38,110.20

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Solution

The fourth proportional to 97,294.20, 145,941.30 and 38,110.20 is: 57,165.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,294.20 : 145,941.30 = 38,110.20 : x
  2. Step 2: Convert to fraction form
    97,294.20/145,941.30 = 38,110.20/x
  3. Step 3: Cross multiply
    97,294.20x = 145,941.30 × 38,110.20
  4. Step 4: Simplify right side
    97,294.20x = 5,561,852,131.26
  5. Step 5: Solve for x
    x = 5,561,852,131.26/97,294.20
  6. Step 6: Final answer
    x = 57,165.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.