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Finding the Fourth Proportional to 219,501.32, 329,253.18 and 61,731.14

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Solution

The fourth proportional to 219,501.32, 329,253.18 and 61,731.14 is: 92,597.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,501.32 : 329,253.18 = 61,731.14 : x
  2. Step 2: Convert to fraction form
    219,501.32/329,253.18 = 61,731.14/x
  3. Step 3: Cross multiply
    219,501.32x = 329,253.18 × 61,731.14
  4. Step 4: Simplify right side
    219,501.32x = 20,325,174,150.03
  5. Step 5: Solve for x
    x = 20,325,174,150.03/219,501.32
  6. Step 6: Final answer
    x = 92,597.05

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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.