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Finding the Fourth Proportional to 97,428.40, 146,061.60 and 41,311.60

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Solution

The fourth proportional to 97,428.40, 146,061.60 and 41,311.60 is: 61,933.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,428.40 : 146,061.60 = 41,311.60 : x
  2. Step 2: Convert to fraction form
    97,428.40/146,061.60 = 41,311.60/x
  3. Step 3: Cross multiply
    97,428.40x = 146,061.60 × 41,311.60
  4. Step 4: Simplify right side
    97,428.40x = 6,034,038,394.56
  5. Step 5: Solve for x
    x = 6,034,038,394.56/97,428.40
  6. Step 6: Final answer
    x = 61,933.05

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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.