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Finding the Fourth Proportional to 191,442.62, 264,186.29 and 106,557.86

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Solution

The fourth proportional to 191,442.62, 264,186.29 and 106,557.86 is: 147,047.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,442.62 : 264,186.29 = 106,557.86 : x
  2. Step 2: Convert to fraction form
    191,442.62/264,186.29 = 106,557.86/x
  3. Step 3: Cross multiply
    191,442.62x = 264,186.29 × 106,557.86
  4. Step 4: Simplify right side
    191,442.62x = 28,151,126,630.60
  5. Step 5: Solve for x
    x = 28,151,126,630.60/191,442.62
  6. Step 6: Final answer
    x = 147,047.33

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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.