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Finding the Fourth Proportional to 239,281.69, 358,661.41 and 117,785.84

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Solution

The fourth proportional to 239,281.69, 358,661.41 and 117,785.84 is: 176,550.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,281.69 : 358,661.41 = 117,785.84 : x
  2. Step 2: Convert to fraction form
    239,281.69/358,661.41 = 117,785.84/x
  3. Step 3: Cross multiply
    239,281.69x = 358,661.41 × 117,785.84
  4. Step 4: Simplify right side
    239,281.69x = 42,245,234,941.02
  5. Step 5: Solve for x
    x = 42,245,234,941.02/239,281.69
  6. Step 6: Final answer
    x = 176,550.22

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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.