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Finding the Fourth Proportional to 195,170.63, 269,335.46 and 105,746.63

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Solution

The fourth proportional to 195,170.63, 269,335.46 and 105,746.63 is: 145,930.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,170.63 : 269,335.46 = 105,746.63 : x
  2. Step 2: Convert to fraction form
    195,170.63/269,335.46 = 105,746.63/x
  3. Step 3: Cross multiply
    195,170.63x = 269,335.46 × 105,746.63
  4. Step 4: Simplify right side
    195,170.63x = 28,481,316,152.19
  5. Step 5: Solve for x
    x = 28,481,316,152.19/195,170.63
  6. Step 6: Final answer
    x = 145,930.34

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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.