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Finding the Fourth Proportional to 74,258.36, 102,454.14 and 45,548.51

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Solution

The fourth proportional to 74,258.36, 102,454.14 and 45,548.51 is: 62,843.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,258.36 : 102,454.14 = 45,548.51 : x
  2. Step 2: Convert to fraction form
    74,258.36/102,454.14 = 45,548.51/x
  3. Step 3: Cross multiply
    74,258.36x = 102,454.14 × 45,548.51
  4. Step 4: Simplify right side
    74,258.36x = 4,666,632,908.06
  5. Step 5: Solve for x
    x = 4,666,632,908.06/74,258.36
  6. Step 6: Final answer
    x = 62,843.20

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