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Finding the Fourth Proportional to 139,184.16, 208,674 and 44,359.79

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Solution

The fourth proportional to 139,184.16, 208,674 and 44,359.79 is: 66,507.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,184.16 : 208,674 = 44,359.79 : x
  2. Step 2: Convert to fraction form
    139,184.16/208,674 = 44,359.79/x
  3. Step 3: Cross multiply
    139,184.16x = 208,674 × 44,359.79
  4. Step 4: Simplify right side
    139,184.16x = 9,256,733,775.09
  5. Step 5: Solve for x
    x = 9,256,733,775.09/139,184.16
  6. Step 6: Final answer
    x = 66,507.09

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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.