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Finding the Fourth Proportional to 172,341.36, 237,826.44 and 96,894.72

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Solution

The fourth proportional to 172,341.36, 237,826.44 and 96,894.72 is: 133,712.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,341.36 : 237,826.44 = 96,894.72 : x
  2. Step 2: Convert to fraction form
    172,341.36/237,826.44 = 96,894.72/x
  3. Step 3: Cross multiply
    172,341.36x = 237,826.44 × 96,894.72
  4. Step 4: Simplify right side
    172,341.36x = 23,044,126,312.40
  5. Step 5: Solve for x
    x = 23,044,126,312.40/172,341.36
  6. Step 6: Final answer
    x = 133,712.11

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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.