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Finding the Fourth Proportional to 97,497.60, 146,246.40 and 67,430.40

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Solution

The fourth proportional to 97,497.60, 146,246.40 and 67,430.40 is: 101,145.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,497.60 : 146,246.40 = 67,430.40 : x
  2. Step 2: Convert to fraction form
    97,497.60/146,246.40 = 67,430.40/x
  3. Step 3: Cross multiply
    97,497.60x = 146,246.40 × 67,430.40
  4. Step 4: Simplify right side
    97,497.60x = 9,861,453,250.56
  5. Step 5: Solve for x
    x = 9,861,453,250.56/97,497.60
  6. Step 6: Final answer
    x = 101,145.60

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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.