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Finding the Fourth Proportional to 153,246.80, 229,351.80 and 134,584.40

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Solution

The fourth proportional to 153,246.80, 229,351.80 and 134,584.40 is: 201,421.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,246.80 : 229,351.80 = 134,584.40 : x
  2. Step 2: Convert to fraction form
    153,246.80/229,351.80 = 134,584.40/x
  3. Step 3: Cross multiply
    153,246.80x = 229,351.80 × 134,584.40
  4. Step 4: Simplify right side
    153,246.80x = 30,867,174,391.92
  5. Step 5: Solve for x
    x = 30,867,174,391.92/153,246.80
  6. Step 6: Final answer
    x = 201,421.33

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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.