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Finding the Fourth Proportional to 137,670.66, 206,505.99 and 48,927.67

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Solution

The fourth proportional to 137,670.66, 206,505.99 and 48,927.67 is: 73,391.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,670.66 : 206,505.99 = 48,927.67 : x
  2. Step 2: Convert to fraction form
    137,670.66/206,505.99 = 48,927.67/x
  3. Step 3: Cross multiply
    137,670.66x = 206,505.99 × 48,927.67
  4. Step 4: Simplify right side
    137,670.66x = 10,103,856,931.74
  5. Step 5: Solve for x
    x = 10,103,856,931.74/137,670.66
  6. Step 6: Final answer
    x = 73,391.51

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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.