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Finding the Fourth Proportional to 477,101.66, 715,652.03 and 122,115.11

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Solution

The fourth proportional to 477,101.66, 715,652.03 and 122,115.11 is: 183,172.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,101.66 : 715,652.03 = 122,115.11 : x
  2. Step 2: Convert to fraction form
    477,101.66/715,652.03 = 122,115.11/x
  3. Step 3: Cross multiply
    477,101.66x = 715,652.03 × 122,115.11
  4. Step 4: Simplify right side
    477,101.66x = 87,391,922,176.34
  5. Step 5: Solve for x
    x = 87,391,922,176.34/477,101.66
  6. Step 6: Final answer
    x = 183,172.54

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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.