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Finding the Fourth Proportional to 255,059.04, 351,972 and 141,879.36

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Solution

The fourth proportional to 255,059.04, 351,972 and 141,879.36 is: 195,788.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,059.04 : 351,972 = 141,879.36 : x
  2. Step 2: Convert to fraction form
    255,059.04/351,972 = 141,879.36/x
  3. Step 3: Cross multiply
    255,059.04x = 351,972 × 141,879.36
  4. Step 4: Simplify right side
    255,059.04x = 49,937,562,097.92
  5. Step 5: Solve for x
    x = 49,937,562,097.92/255,059.04
  6. Step 6: Final answer
    x = 195,788.25

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.