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Finding the Fourth Proportional to 195,746.88, 270,130.80 and 106,322.88

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Solution

The fourth proportional to 195,746.88, 270,130.80 and 106,322.88 is: 146,725.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,746.88 : 270,130.80 = 106,322.88 : x
  2. Step 2: Convert to fraction form
    195,746.88/270,130.80 = 106,322.88/x
  3. Step 3: Cross multiply
    195,746.88x = 270,130.80 × 106,322.88
  4. Step 4: Simplify right side
    195,746.88x = 28,721,084,632.70
  5. Step 5: Solve for x
    x = 28,721,084,632.70/195,746.88
  6. Step 6: Final answer
    x = 146,725.63

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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.