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Finding the Fourth Proportional to 303,671.94, 455,461.21 and 101,271.59

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Solution

The fourth proportional to 303,671.94, 455,461.21 and 101,271.59 is: 151,891.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,671.94 : 455,461.21 = 101,271.59 : x
  2. Step 2: Convert to fraction form
    303,671.94/455,461.21 = 101,271.59/x
  3. Step 3: Cross multiply
    303,671.94x = 455,461.21 × 101,271.59
  4. Step 4: Simplify right side
    303,671.94x = 46,125,281,758.27
  5. Step 5: Solve for x
    x = 46,125,281,758.27/303,671.94
  6. Step 6: Final answer
    x = 151,891.81

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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.