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Finding the Fourth Proportional to 172,515.56, 238,071.04 and 97,064.04

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Solution

The fourth proportional to 172,515.56, 238,071.04 and 97,064.04 is: 133,948.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,515.56 : 238,071.04 = 97,064.04 : x
  2. Step 2: Convert to fraction form
    172,515.56/238,071.04 = 97,064.04/x
  3. Step 3: Cross multiply
    172,515.56x = 238,071.04 × 97,064.04
  4. Step 4: Simplify right side
    172,515.56x = 23,108,136,949.40
  5. Step 5: Solve for x
    x = 23,108,136,949.40/172,515.56
  6. Step 6: Final answer
    x = 133,948.13

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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.