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Finding the Fourth Proportional to 127,951.92, 192,902.22 and 118,931.76

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Solution

The fourth proportional to 127,951.92, 192,902.22 and 118,931.76 is: 179,303.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,951.92 : 192,902.22 = 118,931.76 : x
  2. Step 2: Convert to fraction form
    127,951.92/192,902.22 = 118,931.76/x
  3. Step 3: Cross multiply
    127,951.92x = 192,902.22 × 118,931.76
  4. Step 4: Simplify right side
    127,951.92x = 22,942,200,532.51
  5. Step 5: Solve for x
    x = 22,942,200,532.51/127,951.92
  6. Step 6: Final answer
    x = 179,303.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.