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Finding the Fourth Proportional to 172,893.63, 238,584 and 96,420.58

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Solution

The fourth proportional to 172,893.63, 238,584 and 96,420.58 is: 133,055.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,893.63 : 238,584 = 96,420.58 : x
  2. Step 2: Convert to fraction form
    172,893.63/238,584 = 96,420.58/x
  3. Step 3: Cross multiply
    172,893.63x = 238,584 × 96,420.58
  4. Step 4: Simplify right side
    172,893.63x = 23,004,407,658.72
  5. Step 5: Solve for x
    x = 23,004,407,658.72/172,893.63
  6. Step 6: Final answer
    x = 133,055.26

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1.5x scale

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.