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Finding the Fourth Proportional to 191,404.64, 287,121.60 and 58,296.24

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Solution

The fourth proportional to 191,404.64, 287,121.60 and 58,296.24 is: 87,448.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,404.64 : 287,121.60 = 58,296.24 : x
  2. Step 2: Convert to fraction form
    191,404.64/287,121.60 = 58,296.24/x
  3. Step 3: Cross multiply
    191,404.64x = 287,121.60 × 58,296.24
  4. Step 4: Simplify right side
    191,404.64x = 16,738,109,702.78
  5. Step 5: Solve for x
    x = 16,738,109,702.78/191,404.64
  6. Step 6: Final answer
    x = 87,448.82

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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.