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Finding the Fourth Proportional to 127,266.59, 190,924.43 and 48,374.65

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Solution

The fourth proportional to 127,266.59, 190,924.43 and 48,374.65 is: 72,571.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,266.59 : 190,924.43 = 48,374.65 : x
  2. Step 2: Convert to fraction form
    127,266.59/190,924.43 = 48,374.65/x
  3. Step 3: Cross multiply
    127,266.59x = 190,924.43 × 48,374.65
  4. Step 4: Simplify right side
    127,266.59x = 9,235,901,644.01
  5. Step 5: Solve for x
    x = 9,235,901,644.01/127,266.59
  6. Step 6: Final answer
    x = 72,571.30

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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.