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Finding the Fourth Proportional to 195,818.94, 270,134.01 and 127,804.50

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Solution

The fourth proportional to 195,818.94, 270,134.01 and 127,804.50 is: 176,307.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,818.94 : 270,134.01 = 127,804.50 : x
  2. Step 2: Convert to fraction form
    195,818.94/270,134.01 = 127,804.50/x
  3. Step 3: Cross multiply
    195,818.94x = 270,134.01 × 127,804.50
  4. Step 4: Simplify right side
    195,818.94x = 34,524,342,081.05
  5. Step 5: Solve for x
    x = 34,524,342,081.05/195,818.94
  6. Step 6: Final answer
    x = 176,307.47

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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.