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Finding the Fourth Proportional to 368,341.86, 552,458.11 and 102,074.61

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Solution

The fourth proportional to 368,341.86, 552,458.11 and 102,074.61 is: 153,096.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,341.86 : 552,458.11 = 102,074.61 : x
  2. Step 2: Convert to fraction form
    368,341.86/552,458.11 = 102,074.61/x
  3. Step 3: Cross multiply
    368,341.86x = 552,458.11 × 102,074.61
  4. Step 4: Simplify right side
    368,341.86x = 56,391,946,119.59
  5. Step 5: Solve for x
    x = 56,391,946,119.59/368,341.86
  6. Step 6: Final answer
    x = 153,096.76

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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.