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Finding the Fourth Proportional to 191,387.82, 264,098 and 110,820.80

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Solution

The fourth proportional to 191,387.82, 264,098 and 110,820.80 is: 152,922.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,387.82 : 264,098 = 110,820.80 : x
  2. Step 2: Convert to fraction form
    191,387.82/264,098 = 110,820.80/x
  3. Step 3: Cross multiply
    191,387.82x = 264,098 × 110,820.80
  4. Step 4: Simplify right side
    191,387.82x = 29,267,551,638.40
  5. Step 5: Solve for x
    x = 29,267,551,638.40/191,387.82
  6. Step 6: Final answer
    x = 152,922.75

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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.