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Finding the Fourth Proportional to 195,157.02, 292,833.93 and 76,913.10

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Solution

The fourth proportional to 195,157.02, 292,833.93 and 76,913.10 is: 115,408.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,157.02 : 292,833.93 = 76,913.10 : x
  2. Step 2: Convert to fraction form
    195,157.02/292,833.93 = 76,913.10/x
  3. Step 3: Cross multiply
    195,157.02x = 292,833.93 × 76,913.10
  4. Step 4: Simplify right side
    195,157.02x = 22,522,765,341.48
  5. Step 5: Solve for x
    x = 22,522,765,341.48/195,157.02
  6. Step 6: Final answer
    x = 115,408.43

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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.