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Finding the Fourth Proportional to 172,340.72, 237,841.14 and 96,894.08

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Solution

The fourth proportional to 172,340.72, 237,841.14 and 96,894.08 is: 133,719.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,340.72 : 237,841.14 = 96,894.08 : x
  2. Step 2: Convert to fraction form
    172,340.72/237,841.14 = 96,894.08/x
  3. Step 3: Cross multiply
    172,340.72x = 237,841.14 × 96,894.08
  4. Step 4: Simplify right side
    172,340.72x = 23,045,398,446.45
  5. Step 5: Solve for x
    x = 23,045,398,446.45/172,340.72
  6. Step 6: Final answer
    x = 133,719.98

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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.