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Finding the Fourth Proportional to 173,219.94, 259,916.04 and 97,271.28

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Solution

The fourth proportional to 173,219.94, 259,916.04 and 97,271.28 is: 145,955.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,219.94 : 259,916.04 = 97,271.28 : x
  2. Step 2: Convert to fraction form
    173,219.94/259,916.04 = 97,271.28/x
  3. Step 3: Cross multiply
    173,219.94x = 259,916.04 × 97,271.28
  4. Step 4: Simplify right side
    173,219.94x = 25,282,365,903.33
  5. Step 5: Solve for x
    x = 25,282,365,903.33/173,219.94
  6. Step 6: Final answer
    x = 145,955.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.