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Finding the Fourth Proportional to 154,762.20, 231,924.60 and 95,421.60

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Solution

The fourth proportional to 154,762.20, 231,924.60 and 95,421.60 is: 142,997.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,762.20 : 231,924.60 = 95,421.60 : x
  2. Step 2: Convert to fraction form
    154,762.20/231,924.60 = 95,421.60/x
  3. Step 3: Cross multiply
    154,762.20x = 231,924.60 × 95,421.60
  4. Step 4: Simplify right side
    154,762.20x = 22,130,616,411.36
  5. Step 5: Solve for x
    x = 22,130,616,411.36/154,762.20
  6. Step 6: Final answer
    x = 142,997.56

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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.