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Finding the Fourth Proportional to 191,695.92, 287,325.93 and 116,650.83

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Solution

The fourth proportional to 191,695.92, 287,325.93 and 116,650.83 is: 174,843.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,695.92 : 287,325.93 = 116,650.83 : x
  2. Step 2: Convert to fraction form
    191,695.92/287,325.93 = 116,650.83/x
  3. Step 3: Cross multiply
    191,695.92x = 287,325.93 × 116,650.83
  4. Step 4: Simplify right side
    191,695.92x = 33,516,809,729.93
  5. Step 5: Solve for x
    x = 33,516,809,729.93/191,695.92
  6. Step 6: Final answer
    x = 174,843.63

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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.