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Finding the Fourth Proportional to 301,821.05, 452,661.21 and 112,370.64

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Solution

The fourth proportional to 301,821.05, 452,661.21 and 112,370.64 is: 168,529.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,821.05 : 452,661.21 = 112,370.64 : x
  2. Step 2: Convert to fraction form
    301,821.05/452,661.21 = 112,370.64/x
  3. Step 3: Cross multiply
    301,821.05x = 452,661.21 × 112,370.64
  4. Step 4: Simplify right side
    301,821.05x = 50,865,829,870.87
  5. Step 5: Solve for x
    x = 50,865,829,870.87/301,821.05
  6. Step 6: Final answer
    x = 168,529.77

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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.