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Finding the Fourth Proportional to 154,703.70, 232,121.70 and 64,767.42

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Solution

The fourth proportional to 154,703.70, 232,121.70 and 64,767.42 is: 97,178.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,703.70 : 232,121.70 = 64,767.42 : x
  2. Step 2: Convert to fraction form
    154,703.70/232,121.70 = 64,767.42/x
  3. Step 3: Cross multiply
    154,703.70x = 232,121.70 × 64,767.42
  4. Step 4: Simplify right side
    154,703.70x = 15,033,923,635.01
  5. Step 5: Solve for x
    x = 15,033,923,635.01/154,703.70
  6. Step 6: Final answer
    x = 97,178.82

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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.