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Finding the Fourth Proportional to 173,312.49, 239,172.90 and 101,693.73

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Solution

The fourth proportional to 173,312.49, 239,172.90 and 101,693.73 is: 140,338.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,312.49 : 239,172.90 = 101,693.73 : x
  2. Step 2: Convert to fraction form
    173,312.49/239,172.90 = 101,693.73/x
  3. Step 3: Cross multiply
    173,312.49x = 239,172.90 × 101,693.73
  4. Step 4: Simplify right side
    173,312.49x = 24,322,384,315.92
  5. Step 5: Solve for x
    x = 24,322,384,315.92/173,312.49
  6. Step 6: Final answer
    x = 140,338.32

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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.