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Finding the Fourth Proportional to 116,159.44, 160,240.94 and 75,896.77

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Solution

The fourth proportional to 116,159.44, 160,240.94 and 75,896.77 is: 104,698.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,159.44 : 160,240.94 = 75,896.77 : x
  2. Step 2: Convert to fraction form
    116,159.44/160,240.94 = 75,896.77/x
  3. Step 3: Cross multiply
    116,159.44x = 160,240.94 × 75,896.77
  4. Step 4: Simplify right side
    116,159.44x = 12,161,769,767.76
  5. Step 5: Solve for x
    x = 12,161,769,767.76/116,159.44
  6. Step 6: Final answer
    x = 104,698.94

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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.