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Finding the Fourth Proportional to 223,484, 335,436.66 and 81,466.54

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Solution

The fourth proportional to 223,484, 335,436.66 and 81,466.54 is: 122,276.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,484 : 335,436.66 = 81,466.54 : x
  2. Step 2: Convert to fraction form
    223,484/335,436.66 = 81,466.54/x
  3. Step 3: Cross multiply
    223,484x = 335,436.66 × 81,466.54
  4. Step 4: Simplify right side
    223,484x = 27,326,864,079.36
  5. Step 5: Solve for x
    x = 27,326,864,079.36/223,484
  6. Step 6: Final answer
    x = 122,276.60

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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.