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Finding the Fourth Proportional to 194,337.69, 291,662.05 and 100,870.17

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Solution

The fourth proportional to 194,337.69, 291,662.05 and 100,870.17 is: 151,385.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,337.69 : 291,662.05 = 100,870.17 : x
  2. Step 2: Convert to fraction form
    194,337.69/291,662.05 = 100,870.17/x
  3. Step 3: Cross multiply
    194,337.69x = 291,662.05 × 100,870.17
  4. Step 4: Simplify right side
    194,337.69x = 29,420,000,313.87
  5. Step 5: Solve for x
    x = 29,420,000,313.87/194,337.69
  6. Step 6: Final answer
    x = 151,385.97

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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.