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Finding the Fourth Proportional to 191,276.50, 264,032.64 and 164,310.80

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Solution

The fourth proportional to 191,276.50, 264,032.64 and 164,310.80 is: 226,809.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,276.50 : 264,032.64 = 164,310.80 : x
  2. Step 2: Convert to fraction form
    191,276.50/264,032.64 = 164,310.80/x
  3. Step 3: Cross multiply
    191,276.50x = 264,032.64 × 164,310.80
  4. Step 4: Simplify right side
    191,276.50x = 43,383,414,304.51
  5. Step 5: Solve for x
    x = 43,383,414,304.51/191,276.50
  6. Step 6: Final answer
    x = 226,809.95

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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.