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Finding the Fourth Proportional to 347,732.96, 521,698.40 and 111,094.08

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Solution

The fourth proportional to 347,732.96, 521,698.40 and 111,094.08 is: 166,672.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,732.96 : 521,698.40 = 111,094.08 : x
  2. Step 2: Convert to fraction form
    347,732.96/521,698.40 = 111,094.08/x
  3. Step 3: Cross multiply
    347,732.96x = 521,698.40 × 111,094.08
  4. Step 4: Simplify right side
    347,732.96x = 57,957,603,785.47
  5. Step 5: Solve for x
    x = 57,957,603,785.47/347,732.96
  6. Step 6: Final answer
    x = 166,672.74

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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.