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Finding the Fourth Proportional to 141,866.37, 212,804.01 and 53,102.93

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Solution

The fourth proportional to 141,866.37, 212,804.01 and 53,102.93 is: 79,656.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,866.37 : 212,804.01 = 53,102.93 : x
  2. Step 2: Convert to fraction form
    141,866.37/212,804.01 = 53,102.93/x
  3. Step 3: Cross multiply
    141,866.37x = 212,804.01 × 53,102.93
  4. Step 4: Simplify right side
    141,866.37x = 11,300,515,382.73
  5. Step 5: Solve for x
    x = 11,300,515,382.73/141,866.37
  6. Step 6: Final answer
    x = 79,656.06

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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.