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Finding the Fourth Proportional to 141,252.99, 211,879 and 88,699.38

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Solution

The fourth proportional to 141,252.99, 211,879 and 88,699.38 is: 133,048.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,252.99 : 211,879 = 88,699.38 : x
  2. Step 2: Convert to fraction form
    141,252.99/211,879 = 88,699.38/x
  3. Step 3: Cross multiply
    141,252.99x = 211,879 × 88,699.38
  4. Step 4: Simplify right side
    141,252.99x = 18,793,535,935.02
  5. Step 5: Solve for x
    x = 18,793,535,935.02/141,252.99
  6. Step 6: Final answer
    x = 133,048.77

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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.