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Finding the Fourth Proportional to 97,365.40, 145,932.90 and 41,205.40

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Solution

The fourth proportional to 97,365.40, 145,932.90 and 41,205.40 is: 61,759.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,365.40 : 145,932.90 = 41,205.40 : x
  2. Step 2: Convert to fraction form
    97,365.40/145,932.90 = 41,205.40/x
  3. Step 3: Cross multiply
    97,365.40x = 145,932.90 × 41,205.40
  4. Step 4: Simplify right side
    97,365.40x = 6,013,223,517.66
  5. Step 5: Solve for x
    x = 6,013,223,517.66/97,365.40
  6. Step 6: Final answer
    x = 61,759.35

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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.