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Finding the Fourth Proportional to 223,483.00, 335,435.16 and 81,465.54

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Solution

The fourth proportional to 223,483.00, 335,435.16 and 81,465.54 is: 122,275.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,483.00 : 335,435.16 = 81,465.54 : x
  2. Step 2: Convert to fraction form
    223,483.00/335,435.16 = 81,465.54/x
  3. Step 3: Cross multiply
    223,483.00x = 335,435.16 × 81,465.54
  4. Step 4: Simplify right side
    223,483.00x = 27,326,404,767.21
  5. Step 5: Solve for x
    x = 27,326,404,767.21/223,483.00
  6. Step 6: Final answer
    x = 122,275.10

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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.