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Finding the Fourth Proportional to 173,136.42, 238,928.50 and 97,691.94

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Solution

The fourth proportional to 173,136.42, 238,928.50 and 97,691.94 is: 134,815.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,136.42 : 238,928.50 = 97,691.94 : x
  2. Step 2: Convert to fraction form
    173,136.42/238,928.50 = 97,691.94/x
  3. Step 3: Cross multiply
    173,136.42x = 238,928.50 × 97,691.94
  4. Step 4: Simplify right side
    173,136.42x = 23,341,388,686.29
  5. Step 5: Solve for x
    x = 23,341,388,686.29/173,136.42
  6. Step 6: Final answer
    x = 134,815.01

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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.