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Finding the Fourth Proportional to 145,477.41, 218,216.11 and 40,296.41

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Solution

The fourth proportional to 145,477.41, 218,216.11 and 40,296.41 is: 60,444.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,477.41 : 218,216.11 = 40,296.41 : x
  2. Step 2: Convert to fraction form
    145,477.41/218,216.11 = 40,296.41/x
  3. Step 3: Cross multiply
    145,477.41x = 218,216.11 × 40,296.41
  4. Step 4: Simplify right side
    145,477.41x = 8,793,325,837.17
  5. Step 5: Solve for x
    x = 8,793,325,837.17/145,477.41
  6. Step 6: Final answer
    x = 60,444.61

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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.