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Finding the Fourth Proportional to 476,064.02, 714,092.95 and 121,074.97

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Solution

The fourth proportional to 476,064.02, 714,092.95 and 121,074.97 is: 181,611.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,064.02 : 714,092.95 = 121,074.97 : x
  2. Step 2: Convert to fraction form
    476,064.02/714,092.95 = 121,074.97/x
  3. Step 3: Cross multiply
    476,064.02x = 714,092.95 × 121,074.97
  4. Step 4: Simplify right side
    476,064.02x = 86,458,782,498.46
  5. Step 5: Solve for x
    x = 86,458,782,498.46/476,064.02
  6. Step 6: Final answer
    x = 181,611.67

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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.