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Finding the Fourth Proportional to 113,305.62, 169,812.74 and 46,792.46

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Solution

The fourth proportional to 113,305.62, 169,812.74 and 46,792.46 is: 70,128.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,305.62 : 169,812.74 = 46,792.46 : x
  2. Step 2: Convert to fraction form
    113,305.62/169,812.74 = 46,792.46/x
  3. Step 3: Cross multiply
    113,305.62x = 169,812.74 × 46,792.46
  4. Step 4: Simplify right side
    113,305.62x = 7,945,955,843.94
  5. Step 5: Solve for x
    x = 7,945,955,843.94/113,305.62
  6. Step 6: Final answer
    x = 70,128.52

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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.