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Finding the Fourth Proportional to 236,903.72, 355,068.42 and 173,991.02

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Solution

The fourth proportional to 236,903.72, 355,068.42 and 173,991.02 is: 260,775.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,903.72 : 355,068.42 = 173,991.02 : x
  2. Step 2: Convert to fraction form
    236,903.72/355,068.42 = 173,991.02/x
  3. Step 3: Cross multiply
    236,903.72x = 355,068.42 × 173,991.02
  4. Step 4: Simplify right side
    236,903.72x = 61,778,716,565.59
  5. Step 5: Solve for x
    x = 61,778,716,565.59/236,903.72
  6. Step 6: Final answer
    x = 260,775.63

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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.