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Finding the Fourth Proportional to 172,485.84, 238,029.48 and 97,034.96

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Solution

The fourth proportional to 172,485.84, 238,029.48 and 97,034.96 is: 133,907.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,485.84 : 238,029.48 = 97,034.96 : x
  2. Step 2: Convert to fraction form
    172,485.84/238,029.48 = 97,034.96/x
  3. Step 3: Cross multiply
    172,485.84x = 238,029.48 × 97,034.96
  4. Step 4: Simplify right side
    172,485.84x = 23,097,181,070.62
  5. Step 5: Solve for x
    x = 23,097,181,070.62/172,485.84
  6. Step 6: Final answer
    x = 133,907.69

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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.