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Finding the Fourth Proportional to 241,814.90, 333,678.04 and 139,824.90

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Solution

The fourth proportional to 241,814.90, 333,678.04 and 139,824.90 is: 192,943.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,814.90 : 333,678.04 = 139,824.90 : x
  2. Step 2: Convert to fraction form
    241,814.90/333,678.04 = 139,824.90/x
  3. Step 3: Cross multiply
    241,814.90x = 333,678.04 × 139,824.90
  4. Step 4: Simplify right side
    241,814.90x = 46,656,498,225.63
  5. Step 5: Solve for x
    x = 46,656,498,225.63/241,814.90
  6. Step 6: Final answer
    x = 192,943.02

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Why These Related Problems?

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