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Finding the Fourth Proportional to 150,603.40, 225,974.04 and 65,240.35

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Solution

The fourth proportional to 150,603.40, 225,974.04 and 65,240.35 is: 97,890.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,603.40 : 225,974.04 = 65,240.35 : x
  2. Step 2: Convert to fraction form
    150,603.40/225,974.04 = 65,240.35/x
  3. Step 3: Cross multiply
    150,603.40x = 225,974.04 × 65,240.35
  4. Step 4: Simplify right side
    150,603.40x = 14,742,625,460.51
  5. Step 5: Solve for x
    x = 14,742,625,460.51/150,603.40
  6. Step 6: Final answer
    x = 97,890.39

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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.