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Finding the Fourth Proportional to 139,604.56, 209,389.48 and 44,827.28

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Solution

The fourth proportional to 139,604.56, 209,389.48 and 44,827.28 is: 67,235.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,604.56 : 209,389.48 = 44,827.28 : x
  2. Step 2: Convert to fraction form
    139,604.56/209,389.48 = 44,827.28/x
  3. Step 3: Cross multiply
    139,604.56x = 209,389.48 × 44,827.28
  4. Step 4: Simplify right side
    139,604.56x = 9,386,360,849.01
  5. Step 5: Solve for x
    x = 9,386,360,849.01/139,604.56
  6. Step 6: Final answer
    x = 67,235.35

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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.