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Finding the Fourth Proportional to 153,604.50, 230,406.75 and 36,868.50

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Solution

The fourth proportional to 153,604.50, 230,406.75 and 36,868.50 is: 55,302.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,604.50 : 230,406.75 = 36,868.50 : x
  2. Step 2: Convert to fraction form
    153,604.50/230,406.75 = 36,868.50/x
  3. Step 3: Cross multiply
    153,604.50x = 230,406.75 × 36,868.50
  4. Step 4: Simplify right side
    153,604.50x = 8,494,751,262.38
  5. Step 5: Solve for x
    x = 8,494,751,262.38/153,604.50
  6. Step 6: Final answer
    x = 55,302.75

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1.5x scale

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.