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Finding the Fourth Proportional to 172,292.15, 237,784.53 and 96,840.65

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Solution

The fourth proportional to 172,292.15, 237,784.53 and 96,840.65 is: 133,652.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,292.15 : 237,784.53 = 96,840.65 : x
  2. Step 2: Convert to fraction form
    172,292.15/237,784.53 = 96,840.65/x
  3. Step 3: Cross multiply
    172,292.15x = 237,784.53 × 96,840.65
  4. Step 4: Simplify right side
    172,292.15x = 23,027,207,256.22
  5. Step 5: Solve for x
    x = 23,027,207,256.22/172,292.15
  6. Step 6: Final answer
    x = 133,652.10

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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.