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Finding the Fourth Proportional to 303,958.04, 455,658.06 and 116,828.60

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Solution

The fourth proportional to 303,958.04, 455,658.06 and 116,828.60 is: 175,135.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,958.04 : 455,658.06 = 116,828.60 : x
  2. Step 2: Convert to fraction form
    303,958.04/455,658.06 = 116,828.60/x
  3. Step 3: Cross multiply
    303,958.04x = 455,658.06 × 116,828.60
  4. Step 4: Simplify right side
    303,958.04x = 53,233,893,228.52
  5. Step 5: Solve for x
    x = 53,233,893,228.52/303,958.04
  6. Step 6: Final answer
    x = 175,135.66

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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.