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Finding the Fourth Proportional to 103,149.54, 154,726.47 and 33,028.65

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Solution

The fourth proportional to 103,149.54, 154,726.47 and 33,028.65 is: 49,543.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,149.54 : 154,726.47 = 33,028.65 : x
  2. Step 2: Convert to fraction form
    103,149.54/154,726.47 = 33,028.65/x
  3. Step 3: Cross multiply
    103,149.54x = 154,726.47 × 33,028.65
  4. Step 4: Simplify right side
    103,149.54x = 5,110,406,423.37
  5. Step 5: Solve for x
    x = 5,110,406,423.37/103,149.54
  6. Step 6: Final answer
    x = 49,543.67

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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.