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Finding the Fourth Proportional to 191,698.96, 287,548.12 and 58,579.60

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Solution

The fourth proportional to 191,698.96, 287,548.12 and 58,579.60 is: 87,869.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,698.96 : 287,548.12 = 58,579.60 : x
  2. Step 2: Convert to fraction form
    191,698.96/287,548.12 = 58,579.60/x
  3. Step 3: Cross multiply
    191,698.96x = 287,548.12 × 58,579.60
  4. Step 4: Simplify right side
    191,698.96x = 16,844,453,850.35
  5. Step 5: Solve for x
    x = 16,844,453,850.35/191,698.96
  6. Step 6: Final answer
    x = 87,869.30

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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.