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Finding the Fourth Proportional to 191,891.32, 264,814.86 and 107,007.64

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Solution

The fourth proportional to 191,891.32, 264,814.86 and 107,007.64 is: 147,673.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,891.32 : 264,814.86 = 107,007.64 : x
  2. Step 2: Convert to fraction form
    191,891.32/264,814.86 = 107,007.64/x
  3. Step 3: Cross multiply
    191,891.32x = 264,814.86 × 107,007.64
  4. Step 4: Simplify right side
    191,891.32x = 28,337,213,205.53
  5. Step 5: Solve for x
    x = 28,337,213,205.53/191,891.32
  6. Step 6: Final answer
    x = 147,673.24

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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.