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Finding the Fourth Proportional to 113,792.63, 157,033.82 and 63,491.63

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Solution

The fourth proportional to 113,792.63, 157,033.82 and 63,491.63 is: 87,618.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,792.63 : 157,033.82 = 63,491.63 : x
  2. Step 2: Convert to fraction form
    113,792.63/157,033.82 = 63,491.63/x
  3. Step 3: Cross multiply
    113,792.63x = 157,033.82 × 63,491.63
  4. Step 4: Simplify right side
    113,792.63x = 9,970,332,570.49
  5. Step 5: Solve for x
    x = 9,970,332,570.49/113,792.63
  6. Step 6: Final answer
    x = 87,618.44

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1.5x scale

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.