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Finding the Fourth Proportional to 191,089.86, 263,101.68 and 173,375.16

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Solution

The fourth proportional to 191,089.86, 263,101.68 and 173,375.16 is: 238,711.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,089.86 : 263,101.68 = 173,375.16 : x
  2. Step 2: Convert to fraction form
    191,089.86/263,101.68 = 173,375.16/x
  3. Step 3: Cross multiply
    191,089.86x = 263,101.68 × 173,375.16
  4. Step 4: Simplify right side
    191,089.86x = 45,615,295,866.27
  5. Step 5: Solve for x
    x = 45,615,295,866.27/191,089.86
  6. Step 6: Final answer
    x = 238,711.23

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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.