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Finding the Fourth Proportional to 225,848.48, 338,804.87 and 74,013.03

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Solution

The fourth proportional to 225,848.48, 338,804.87 and 74,013.03 is: 111,030.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,848.48 : 338,804.87 = 74,013.03 : x
  2. Step 2: Convert to fraction form
    225,848.48/338,804.87 = 74,013.03/x
  3. Step 3: Cross multiply
    225,848.48x = 338,804.87 × 74,013.03
  4. Step 4: Simplify right side
    225,848.48x = 25,075,974,637.39
  5. Step 5: Solve for x
    x = 25,075,974,637.39/225,848.48
  6. Step 6: Final answer
    x = 111,030.08

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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.