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Finding the Fourth Proportional to 191,595.48, 264,409.88 and 106,712.54

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Solution

The fourth proportional to 191,595.48, 264,409.88 and 106,712.54 is: 147,267.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,595.48 : 264,409.88 = 106,712.54 : x
  2. Step 2: Convert to fraction form
    191,595.48/264,409.88 = 106,712.54/x
  3. Step 3: Cross multiply
    191,595.48x = 264,409.88 × 106,712.54
  4. Step 4: Simplify right side
    191,595.48x = 28,215,848,040.28
  5. Step 5: Solve for x
    x = 28,215,848,040.28/191,595.48
  6. Step 6: Final answer
    x = 147,267.82

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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.