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Finding the Fourth Proportional to 110,924.92, 153,107.78 and 65,618.65

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Solution

The fourth proportional to 110,924.92, 153,107.78 and 65,618.65 is: 90,572.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,924.92 : 153,107.78 = 65,618.65 : x
  2. Step 2: Convert to fraction form
    110,924.92/153,107.78 = 65,618.65/x
  3. Step 3: Cross multiply
    110,924.92x = 153,107.78 × 65,618.65
  4. Step 4: Simplify right side
    110,924.92x = 10,046,725,828.10
  5. Step 5: Solve for x
    x = 10,046,725,828.10/110,924.92
  6. Step 6: Final answer
    x = 90,572.31

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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.