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Finding the Fourth Proportional to 179,470.53, 247,670.99 and 98,900.94

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Solution

The fourth proportional to 179,470.53, 247,670.99 and 98,900.94 is: 136,484.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,470.53 : 247,670.99 = 98,900.94 : x
  2. Step 2: Convert to fraction form
    179,470.53/247,670.99 = 98,900.94/x
  3. Step 3: Cross multiply
    179,470.53x = 247,670.99 × 98,900.94
  4. Step 4: Simplify right side
    179,470.53x = 24,494,893,721.73
  5. Step 5: Solve for x
    x = 24,494,893,721.73/179,470.53
  6. Step 6: Final answer
    x = 136,484.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.