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Finding the Fourth Proportional to 195,953.37, 270,473.14 and 127,980.65

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Solution

The fourth proportional to 195,953.37, 270,473.14 and 127,980.65 is: 176,650.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,953.37 : 270,473.14 = 127,980.65 : x
  2. Step 2: Convert to fraction form
    195,953.37/270,473.14 = 127,980.65/x
  3. Step 3: Cross multiply
    195,953.37x = 270,473.14 × 127,980.65
  4. Step 4: Simplify right side
    195,953.37x = 34,615,328,264.74
  5. Step 5: Solve for x
    x = 34,615,328,264.74/195,953.37
  6. Step 6: Final answer
    x = 176,650.84

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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.