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Finding the Fourth Proportional to 219,806.16, 329,679.36 and 62,047.32

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Solution

The fourth proportional to 219,806.16, 329,679.36 and 62,047.32 is: 93,062.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,806.16 : 329,679.36 = 62,047.32 : x
  2. Step 2: Convert to fraction form
    219,806.16/329,679.36 = 62,047.32/x
  3. Step 3: Cross multiply
    219,806.16x = 329,679.36 × 62,047.32
  4. Step 4: Simplify right side
    219,806.16x = 20,455,720,747.32
  5. Step 5: Solve for x
    x = 20,455,720,747.32/219,806.16
  6. Step 6: Final answer
    x = 93,062.55

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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.