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Finding the Fourth Proportional to 239,505.70, 358,851.87 and 144,536.32

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Solution

The fourth proportional to 239,505.70, 358,851.87 and 144,536.32 is: 216,559.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,505.70 : 358,851.87 = 144,536.32 : x
  2. Step 2: Convert to fraction form
    239,505.70/358,851.87 = 144,536.32/x
  3. Step 3: Cross multiply
    239,505.70x = 358,851.87 × 144,536.32
  4. Step 4: Simplify right side
    239,505.70x = 51,867,126,197.98
  5. Step 5: Solve for x
    x = 51,867,126,197.98/239,505.70
  6. Step 6: Final answer
    x = 216,559.05

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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.