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Finding the Fourth Proportional to 191,305.91, 264,000.91 and 105,270.14

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Solution

The fourth proportional to 191,305.91, 264,000.91 and 105,270.14 is: 145,272.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,305.91 : 264,000.91 = 105,270.14 : x
  2. Step 2: Convert to fraction form
    191,305.91/264,000.91 = 105,270.14/x
  3. Step 3: Cross multiply
    191,305.91x = 264,000.91 × 105,270.14
  4. Step 4: Simplify right side
    191,305.91x = 27,791,412,755.83
  5. Step 5: Solve for x
    x = 27,791,412,755.83/191,305.91
  6. Step 6: Final answer
    x = 145,272.11

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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.