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Finding the Fourth Proportional to 176,612.80, 264,919.20 and 64,419.70

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Solution

The fourth proportional to 176,612.80, 264,919.20 and 64,419.70 is: 96,629.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,612.80 : 264,919.20 = 64,419.70 : x
  2. Step 2: Convert to fraction form
    176,612.80/264,919.20 = 64,419.70/x
  3. Step 3: Cross multiply
    176,612.80x = 264,919.20 × 64,419.70
  4. Step 4: Simplify right side
    176,612.80x = 17,066,015,388.24
  5. Step 5: Solve for x
    x = 17,066,015,388.24/176,612.80
  6. Step 6: Final answer
    x = 96,629.55

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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.