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Finding the Fourth Proportional to 352,040.97, 527,850.55 and 112,051.20

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Solution

The fourth proportional to 352,040.97, 527,850.55 and 112,051.20 is: 168,009.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,040.97 : 527,850.55 = 112,051.20 : x
  2. Step 2: Convert to fraction form
    352,040.97/527,850.55 = 112,051.20/x
  3. Step 3: Cross multiply
    352,040.97x = 527,850.55 × 112,051.20
  4. Step 4: Simplify right side
    352,040.97x = 59,146,287,548.16
  5. Step 5: Solve for x
    x = 59,146,287,548.16/352,040.97
  6. Step 6: Final answer
    x = 168,009.67

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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.