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Finding the Fourth Proportional to 235,367.83, 352,852.80 and 102,147.94

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Solution

The fourth proportional to 235,367.83, 352,852.80 and 102,147.94 is: 153,135.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,367.83 : 352,852.80 = 102,147.94 : x
  2. Step 2: Convert to fraction form
    235,367.83/352,852.80 = 102,147.94/x
  3. Step 3: Cross multiply
    235,367.83x = 352,852.80 × 102,147.94
  4. Step 4: Simplify right side
    235,367.83x = 36,043,186,643.23
  5. Step 5: Solve for x
    x = 36,043,186,643.23/235,367.83
  6. Step 6: Final answer
    x = 153,135.57

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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.