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Finding the Fourth Proportional to 191,168.88, 263,812.44 and 106,285.92

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Solution

The fourth proportional to 191,168.88, 263,812.44 and 106,285.92 is: 146,674.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,168.88 : 263,812.44 = 106,285.92 : x
  2. Step 2: Convert to fraction form
    191,168.88/263,812.44 = 106,285.92/x
  3. Step 3: Cross multiply
    191,168.88x = 263,812.44 × 106,285.92
  4. Step 4: Simplify right side
    191,168.88x = 28,039,547,892.84
  5. Step 5: Solve for x
    x = 28,039,547,892.84/191,168.88
  6. Step 6: Final answer
    x = 146,674.23

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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.