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Finding the Fourth Proportional to 235,152.09, 352,734.83 and 57,658.95

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Solution

The fourth proportional to 235,152.09, 352,734.83 and 57,658.95 is: 86,490.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,152.09 : 352,734.83 = 57,658.95 : x
  2. Step 2: Convert to fraction form
    235,152.09/352,734.83 = 57,658.95/x
  3. Step 3: Cross multiply
    235,152.09x = 352,734.83 × 57,658.95
  4. Step 4: Simplify right side
    235,152.09x = 20,338,319,637.93
  5. Step 5: Solve for x
    x = 20,338,319,637.93/235,152.09
  6. Step 6: Final answer
    x = 86,490.07

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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.