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Finding the Fourth Proportional to 219,029.10, 306,848.10 and 219,029.10

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Solution

The fourth proportional to 219,029.10, 306,848.10 and 219,029.10 is: 306,848.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,029.10 : 306,848.10 = 219,029.10 : x
  2. Step 2: Convert to fraction form
    219,029.10/306,848.10 = 219,029.10/x
  3. Step 3: Cross multiply
    219,029.10x = 306,848.10 × 219,029.10
  4. Step 4: Simplify right side
    219,029.10x = 67,208,663,179.71
  5. Step 5: Solve for x
    x = 67,208,663,179.71/219,029.10
  6. Step 6: Final answer
    x = 306,848.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.