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Finding the Fourth Proportional to 191,590.92, 287,539.47 and 112,771.44

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Solution

The fourth proportional to 191,590.92, 287,539.47 and 112,771.44 is: 169,247.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,590.92 : 287,539.47 = 112,771.44 : x
  2. Step 2: Convert to fraction form
    191,590.92/287,539.47 = 112,771.44/x
  3. Step 3: Cross multiply
    191,590.92x = 287,539.47 × 112,771.44
  4. Step 4: Simplify right side
    191,590.92x = 32,426,240,088.74
  5. Step 5: Solve for x
    x = 32,426,240,088.74/191,590.92
  6. Step 6: Final answer
    x = 169,247.27

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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.