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Finding the Fourth Proportional to 242,951.80, 335,429.58 and 152,431.96

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Solution

The fourth proportional to 242,951.80, 335,429.58 and 152,431.96 is: 210,454.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,951.80 : 335,429.58 = 152,431.96 : x
  2. Step 2: Convert to fraction form
    242,951.80/335,429.58 = 152,431.96/x
  3. Step 3: Cross multiply
    242,951.80x = 335,429.58 × 152,431.96
  4. Step 4: Simplify right side
    242,951.80x = 51,130,188,321.38
  5. Step 5: Solve for x
    x = 51,130,188,321.38/242,951.80
  6. Step 6: Final answer
    x = 210,454.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.