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Finding the Fourth Proportional to 219,260.32, 328,863.14 and 61,501.07

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Solution

The fourth proportional to 219,260.32, 328,863.14 and 61,501.07 is: 92,243.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,260.32 : 328,863.14 = 61,501.07 : x
  2. Step 2: Convert to fraction form
    219,260.32/328,863.14 = 61,501.07/x
  3. Step 3: Cross multiply
    219,260.32x = 328,863.14 × 61,501.07
  4. Step 4: Simplify right side
    219,260.32x = 20,225,435,738.84
  5. Step 5: Solve for x
    x = 20,225,435,738.84/219,260.32
  6. Step 6: Final answer
    x = 92,243.94

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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.