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Finding the Fourth Proportional to 219,879.36, 329,739.48 and 93,528

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Solution

The fourth proportional to 219,879.36, 329,739.48 and 93,528 is: 140,258.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,879.36 : 329,739.48 = 93,528 : x
  2. Step 2: Convert to fraction form
    219,879.36/329,739.48 = 93,528/x
  3. Step 3: Cross multiply
    219,879.36x = 329,739.48 × 93,528
  4. Step 4: Simplify right side
    219,879.36x = 30,839,874,085.44
  5. Step 5: Solve for x
    x = 30,839,874,085.44/219,879.36
  6. Step 6: Final answer
    x = 140,258.16

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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.