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Finding the Fourth Proportional to 173,391, 239,299.06 and 97,944.36

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Solution

The fourth proportional to 173,391, 239,299.06 and 97,944.36 is: 135,174.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,391 : 239,299.06 = 97,944.36 : x
  2. Step 2: Convert to fraction form
    173,391/239,299.06 = 97,944.36/x
  3. Step 3: Cross multiply
    173,391x = 239,299.06 × 97,944.36
  4. Step 4: Simplify right side
    173,391x = 23,437,993,280.30
  5. Step 5: Solve for x
    x = 23,437,993,280.30/173,391
  6. Step 6: Final answer
    x = 135,174.22

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1.5x scale

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.