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Finding the Fourth Proportional to 149,078.58, 223,666.11 and 43,898.10

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Solution

The fourth proportional to 149,078.58, 223,666.11 and 43,898.10 is: 65,861.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,078.58 : 223,666.11 = 43,898.10 : x
  2. Step 2: Convert to fraction form
    149,078.58/223,666.11 = 43,898.10/x
  3. Step 3: Cross multiply
    149,078.58x = 223,666.11 × 43,898.10
  4. Step 4: Simplify right side
    149,078.58x = 9,818,517,263.39
  5. Step 5: Solve for x
    x = 9,818,517,263.39/149,078.58
  6. Step 6: Final answer
    x = 65,861.35

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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.