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Finding the Fourth Proportional to 235,290.96, 352,935.60 and 102,153.84

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Solution

The fourth proportional to 235,290.96, 352,935.60 and 102,153.84 is: 153,230.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,290.96 : 352,935.60 = 102,153.84 : x
  2. Step 2: Convert to fraction form
    235,290.96/352,935.60 = 102,153.84/x
  3. Step 3: Cross multiply
    235,290.96x = 352,935.60 × 102,153.84
  4. Step 4: Simplify right side
    235,290.96x = 36,053,726,812.70
  5. Step 5: Solve for x
    x = 36,053,726,812.70/235,290.96
  6. Step 6: Final answer
    x = 153,230.40

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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.