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Finding the Fourth Proportional to 301,645.92, 452,533.92 and 88,431.36

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Solution

The fourth proportional to 301,645.92, 452,533.92 and 88,431.36 is: 132,666.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,645.92 : 452,533.92 = 88,431.36 : x
  2. Step 2: Convert to fraction form
    301,645.92/452,533.92 = 88,431.36/x
  3. Step 3: Cross multiply
    301,645.92x = 452,533.92 × 88,431.36
  4. Step 4: Simplify right side
    301,645.92x = 40,018,189,991.73
  5. Step 5: Solve for x
    x = 40,018,189,991.73/301,645.92
  6. Step 6: Final answer
    x = 132,666.11

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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.