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Finding the Fourth Proportional to 111,858.33, 154,364.52 and 61,557.33

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Solution

The fourth proportional to 111,858.33, 154,364.52 and 61,557.33 is: 84,949.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,858.33 : 154,364.52 = 61,557.33 : x
  2. Step 2: Convert to fraction form
    111,858.33/154,364.52 = 61,557.33/x
  3. Step 3: Cross multiply
    111,858.33x = 154,364.52 × 61,557.33
  4. Step 4: Simplify right side
    111,858.33x = 9,502,268,507.64
  5. Step 5: Solve for x
    x = 9,502,268,507.64/111,858.33
  6. Step 6: Final answer
    x = 84,949.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.