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Finding the Fourth Proportional to 237,021.83, 355,566.48 and 77,046.34

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Solution

The fourth proportional to 237,021.83, 355,566.48 and 77,046.34 is: 115,580.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,021.83 : 355,566.48 = 77,046.34 : x
  2. Step 2: Convert to fraction form
    237,021.83/355,566.48 = 77,046.34/x
  3. Step 3: Cross multiply
    237,021.83x = 355,566.48 × 77,046.34
  4. Step 4: Simplify right side
    237,021.83x = 27,395,095,021.77
  5. Step 5: Solve for x
    x = 27,395,095,021.77/237,021.83
  6. Step 6: Final answer
    x = 115,580.47

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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.