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Finding the Fourth Proportional to 173,145.40, 238,941.02 and 97,693.96

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Solution

The fourth proportional to 173,145.40, 238,941.02 and 97,693.96 is: 134,817.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,145.40 : 238,941.02 = 97,693.96 : x
  2. Step 2: Convert to fraction form
    173,145.40/238,941.02 = 97,693.96/x
  3. Step 3: Cross multiply
    173,145.40x = 238,941.02 × 97,693.96
  4. Step 4: Simplify right side
    173,145.40x = 23,343,094,450.24
  5. Step 5: Solve for x
    x = 23,343,094,450.24/173,145.40
  6. Step 6: Final answer
    x = 134,817.87

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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.