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Finding the Fourth Proportional to 235,348.52, 352,824.41 and 102,128.45

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Solution

The fourth proportional to 235,348.52, 352,824.41 and 102,128.45 is: 153,106.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,348.52 : 352,824.41 = 102,128.45 : x
  2. Step 2: Convert to fraction form
    235,348.52/352,824.41 = 102,128.45/x
  3. Step 3: Cross multiply
    235,348.52x = 352,824.41 × 102,128.45
  4. Step 4: Simplify right side
    235,348.52x = 36,033,408,032.19
  5. Step 5: Solve for x
    x = 36,033,408,032.19/235,348.52
  6. Step 6: Final answer
    x = 153,106.58

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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.