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Finding the Fourth Proportional to 178,866.87, 246,831.28 and 98,294.46

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Solution

The fourth proportional to 178,866.87, 246,831.28 and 98,294.46 is: 135,643.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,866.87 : 246,831.28 = 98,294.46 : x
  2. Step 2: Convert to fraction form
    178,866.87/246,831.28 = 98,294.46/x
  3. Step 3: Cross multiply
    178,866.87x = 246,831.28 × 98,294.46
  4. Step 4: Simplify right side
    178,866.87x = 24,262,147,378.71
  5. Step 5: Solve for x
    x = 24,262,147,378.71/178,866.87
  6. Step 6: Final answer
    x = 135,643.61

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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.