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Finding the Fourth Proportional to 195,201.86, 269,392.59 and 118,706.76

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Solution

The fourth proportional to 195,201.86, 269,392.59 and 118,706.76 is: 163,823.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,201.86 : 269,392.59 = 118,706.76 : x
  2. Step 2: Convert to fraction form
    195,201.86/269,392.59 = 118,706.76/x
  3. Step 3: Cross multiply
    195,201.86x = 269,392.59 × 118,706.76
  4. Step 4: Simplify right side
    195,201.86x = 31,978,721,526.91
  5. Step 5: Solve for x
    x = 31,978,721,526.91/195,201.86
  6. Step 6: Final answer
    x = 163,823.86

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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.