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Finding the Fourth Proportional to 251,871.42, 377,500.95 and 118,595.64

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Solution

The fourth proportional to 251,871.42, 377,500.95 and 118,595.64 is: 177,749.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,871.42 : 377,500.95 = 118,595.64 : x
  2. Step 2: Convert to fraction form
    251,871.42/377,500.95 = 118,595.64/x
  3. Step 3: Cross multiply
    251,871.42x = 377,500.95 × 118,595.64
  4. Step 4: Simplify right side
    251,871.42x = 44,769,966,765.86
  5. Step 5: Solve for x
    x = 44,769,966,765.86/251,871.42
  6. Step 6: Final answer
    x = 177,749.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.