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Finding the Fourth Proportional to 127,927.80, 191,891.70 and 61,333.65

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Solution

The fourth proportional to 127,927.80, 191,891.70 and 61,333.65 is: 92,000.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,927.80 : 191,891.70 = 61,333.65 : x
  2. Step 2: Convert to fraction form
    127,927.80/191,891.70 = 61,333.65/x
  3. Step 3: Cross multiply
    127,927.80x = 191,891.70 × 61,333.65
  4. Step 4: Simplify right side
    127,927.80x = 11,769,418,365.71
  5. Step 5: Solve for x
    x = 11,769,418,365.71/127,927.80
  6. Step 6: Final answer
    x = 92,000.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.