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Finding the Fourth Proportional to 235,285.68, 352,994.40 and 95,142.72

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Solution

The fourth proportional to 235,285.68, 352,994.40 and 95,142.72 is: 142,740.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,285.68 : 352,994.40 = 95,142.72 : x
  2. Step 2: Convert to fraction form
    235,285.68/352,994.40 = 95,142.72/x
  3. Step 3: Cross multiply
    235,285.68x = 352,994.40 × 95,142.72
  4. Step 4: Simplify right side
    235,285.68x = 33,584,847,360.77
  5. Step 5: Solve for x
    x = 33,584,847,360.77/235,285.68
  6. Step 6: Final answer
    x = 142,740.72

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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.