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Finding the Fourth Proportional to 172,658.16, 238,213.44 and 97,192.08

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Solution

The fourth proportional to 172,658.16, 238,213.44 and 97,192.08 is: 134,094.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,658.16 : 238,213.44 = 97,192.08 : x
  2. Step 2: Convert to fraction form
    172,658.16/238,213.44 = 97,192.08/x
  3. Step 3: Cross multiply
    172,658.16x = 238,213.44 × 97,192.08
  4. Step 4: Simplify right side
    172,658.16x = 23,152,459,717.56
  5. Step 5: Solve for x
    x = 23,152,459,717.56/172,658.16
  6. Step 6: Final answer
    x = 134,094.21

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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.