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Finding the Fourth Proportional to 236,804.70, 355,408.65 and 96,663.90

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Solution

The fourth proportional to 236,804.70, 355,408.65 and 96,663.90 is: 145,078.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,804.70 : 355,408.65 = 96,663.90 : x
  2. Step 2: Convert to fraction form
    236,804.70/355,408.65 = 96,663.90/x
  3. Step 3: Cross multiply
    236,804.70x = 355,408.65 × 96,663.90
  4. Step 4: Simplify right side
    236,804.70x = 34,355,186,202.74
  5. Step 5: Solve for x
    x = 34,355,186,202.74/236,804.70
  6. Step 6: Final answer
    x = 145,078.14

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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.