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Finding the Fourth Proportional to 116,752.54, 161,126.67 and 66,451.54

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Solution

The fourth proportional to 116,752.54, 161,126.67 and 66,451.54 is: 91,707.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,752.54 : 161,126.67 = 66,451.54 : x
  2. Step 2: Convert to fraction form
    116,752.54/161,126.67 = 66,451.54/x
  3. Step 3: Cross multiply
    116,752.54x = 161,126.67 × 66,451.54
  4. Step 4: Simplify right side
    116,752.54x = 10,707,115,356.57
  5. Step 5: Solve for x
    x = 10,707,115,356.57/116,752.54
  6. Step 6: Final answer
    x = 91,707.77

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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.