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Finding the Fourth Proportional to 191,997.84, 264,955.15 and 105,957.62

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Solution

The fourth proportional to 191,997.84, 264,955.15 and 105,957.62 is: 146,220.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,997.84 : 264,955.15 = 105,957.62 : x
  2. Step 2: Convert to fraction form
    191,997.84/264,955.15 = 105,957.62/x
  3. Step 3: Cross multiply
    191,997.84x = 264,955.15 × 105,957.62
  4. Step 4: Simplify right side
    191,997.84x = 28,074,016,902.00
  5. Step 5: Solve for x
    x = 28,074,016,902.00/191,997.84
  6. Step 6: Final answer
    x = 146,220.48

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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.