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Finding the Fourth Proportional to 236,698.03, 355,035.03 and 86,926.87

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Solution

The fourth proportional to 236,698.03, 355,035.03 and 86,926.87 is: 130,385.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,698.03 : 355,035.03 = 86,926.87 : x
  2. Step 2: Convert to fraction form
    236,698.03/355,035.03 = 86,926.87/x
  3. Step 3: Cross multiply
    236,698.03x = 355,035.03 × 86,926.87
  4. Step 4: Simplify right side
    236,698.03x = 30,862,083,898.26
  5. Step 5: Solve for x
    x = 30,862,083,898.26/236,698.03
  6. Step 6: Final answer
    x = 130,385.89

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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.