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Finding the Fourth Proportional to 191,888.22, 264,807.27 and 111,363.78

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Solution

The fourth proportional to 191,888.22, 264,807.27 and 111,363.78 is: 153,682.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,888.22 : 264,807.27 = 111,363.78 : x
  2. Step 2: Convert to fraction form
    191,888.22/264,807.27 = 111,363.78/x
  3. Step 3: Cross multiply
    191,888.22x = 264,807.27 × 111,363.78
  4. Step 4: Simplify right side
    191,888.22x = 29,489,938,558.68
  5. Step 5: Solve for x
    x = 29,489,938,558.68/191,888.22
  6. Step 6: Final answer
    x = 153,682.90

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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.