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Finding the Fourth Proportional to 235,386.80, 352,950.60 and 94,986.80

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Solution

The fourth proportional to 235,386.80, 352,950.60 and 94,986.80 is: 142,427.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,386.80 : 352,950.60 = 94,986.80 : x
  2. Step 2: Convert to fraction form
    235,386.80/352,950.60 = 94,986.80/x
  3. Step 3: Cross multiply
    235,386.80x = 352,950.60 × 94,986.80
  4. Step 4: Simplify right side
    235,386.80x = 33,525,648,052.08
  5. Step 5: Solve for x
    x = 33,525,648,052.08/235,386.80
  6. Step 6: Final answer
    x = 142,427.90

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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.