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Finding the Fourth Proportional to 131,145.60, 196,815.60 and 96,153.60

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Solution

The fourth proportional to 131,145.60, 196,815.60 and 96,153.60 is: 144,301.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,145.60 : 196,815.60 = 96,153.60 : x
  2. Step 2: Convert to fraction form
    131,145.60/196,815.60 = 96,153.60/x
  3. Step 3: Cross multiply
    131,145.60x = 196,815.60 × 96,153.60
  4. Step 4: Simplify right side
    131,145.60x = 18,924,528,476.16
  5. Step 5: Solve for x
    x = 18,924,528,476.16/131,145.60
  6. Step 6: Final answer
    x = 144,301.67

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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.