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Finding the Fourth Proportional to 191,349.54, 264,085.11 and 109,707.01

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Solution

The fourth proportional to 191,349.54, 264,085.11 and 109,707.01 is: 151,408.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,349.54 : 264,085.11 = 109,707.01 : x
  2. Step 2: Convert to fraction form
    191,349.54/264,085.11 = 109,707.01/x
  3. Step 3: Cross multiply
    191,349.54x = 264,085.11 × 109,707.01
  4. Step 4: Simplify right side
    191,349.54x = 28,971,987,143.41
  5. Step 5: Solve for x
    x = 28,971,987,143.41/191,349.54
  6. Step 6: Final answer
    x = 151,408.71

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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.