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Finding the Fourth Proportional to 168,478.70, 232,510.05 and 92,004.89

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Solution

The fourth proportional to 168,478.70, 232,510.05 and 92,004.89 is: 126,971.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,478.70 : 232,510.05 = 92,004.89 : x
  2. Step 2: Convert to fraction form
    168,478.70/232,510.05 = 92,004.89/x
  3. Step 3: Cross multiply
    168,478.70x = 232,510.05 × 92,004.89
  4. Step 4: Simplify right side
    168,478.70x = 21,392,060,411.59
  5. Step 5: Solve for x
    x = 21,392,060,411.59/168,478.70
  6. Step 6: Final answer
    x = 126,971.90

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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.