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Finding the Fourth Proportional to 191,560.77, 264,343.78 and 109,884.90

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Solution

The fourth proportional to 191,560.77, 264,343.78 and 109,884.90 is: 151,635.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,560.77 : 264,343.78 = 109,884.90 : x
  2. Step 2: Convert to fraction form
    191,560.77/264,343.78 = 109,884.90/x
  3. Step 3: Cross multiply
    191,560.77x = 264,343.78 × 109,884.90
  4. Step 4: Simplify right side
    191,560.77x = 29,047,390,650.52
  5. Step 5: Solve for x
    x = 29,047,390,650.52/191,560.77
  6. Step 6: Final answer
    x = 151,635.38

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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.