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Finding the Fourth Proportional to 127,967.70, 191,951.55 and 124,511.70

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Solution

The fourth proportional to 127,967.70, 191,951.55 and 124,511.70 is: 186,767.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,967.70 : 191,951.55 = 124,511.70 : x
  2. Step 2: Convert to fraction form
    127,967.70/191,951.55 = 124,511.70/x
  3. Step 3: Cross multiply
    127,967.70x = 191,951.55 × 124,511.70
  4. Step 4: Simplify right side
    127,967.70x = 23,900,213,808.14
  5. Step 5: Solve for x
    x = 23,900,213,808.14/127,967.70
  6. Step 6: Final answer
    x = 186,767.55

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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.