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Finding the Fourth Proportional to 368,030.41, 552,002.90 and 101,811.68

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Solution

The fourth proportional to 368,030.41, 552,002.90 and 101,811.68 is: 152,705.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,030.41 : 552,002.90 = 101,811.68 : x
  2. Step 2: Convert to fraction form
    368,030.41/552,002.90 = 101,811.68/x
  3. Step 3: Cross multiply
    368,030.41x = 552,002.90 × 101,811.68
  4. Step 4: Simplify right side
    368,030.41x = 56,200,345,092.52
  5. Step 5: Solve for x
    x = 56,200,345,092.52/368,030.41
  6. Step 6: Final answer
    x = 152,705.71

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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.