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Finding the Fourth Proportional to 172,520.08, 238,064.88 and 97,054

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Solution

The fourth proportional to 172,520.08, 238,064.88 and 97,054 is: 133,927.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,520.08 : 238,064.88 = 97,054 : x
  2. Step 2: Convert to fraction form
    172,520.08/238,064.88 = 97,054/x
  3. Step 3: Cross multiply
    172,520.08x = 238,064.88 × 97,054
  4. Step 4: Simplify right side
    172,520.08x = 23,105,148,863.52
  5. Step 5: Solve for x
    x = 23,105,148,863.52/172,520.08
  6. Step 6: Final answer
    x = 133,927.30

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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.