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Finding the Fourth Proportional to 235,378.36, 352,868.52 and 102,158.52

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Solution

The fourth proportional to 235,378.36, 352,868.52 and 102,158.52 is: 153,151.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,378.36 : 352,868.52 = 102,158.52 : x
  2. Step 2: Convert to fraction form
    235,378.36/352,868.52 = 102,158.52/x
  3. Step 3: Cross multiply
    235,378.36x = 352,868.52 × 102,158.52
  4. Step 4: Simplify right side
    235,378.36x = 36,048,525,757.79
  5. Step 5: Solve for x
    x = 36,048,525,757.79/235,378.36
  6. Step 6: Final answer
    x = 153,151.40

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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.