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Finding the Fourth Proportional to 191,594.60, 264,380.68 and 117,995.38

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Solution

The fourth proportional to 191,594.60, 264,380.68 and 117,995.38 is: 162,821.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,594.60 : 264,380.68 = 117,995.38 : x
  2. Step 2: Convert to fraction form
    191,594.60/264,380.68 = 117,995.38/x
  3. Step 3: Cross multiply
    191,594.60x = 264,380.68 × 117,995.38
  4. Step 4: Simplify right side
    191,594.60x = 31,195,698,801.26
  5. Step 5: Solve for x
    x = 31,195,698,801.26/191,594.60
  6. Step 6: Final answer
    x = 162,821.39

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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.