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Finding the Fourth Proportional to 173,804.33, 239,870.13 and 105,861.17

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Solution

The fourth proportional to 173,804.33, 239,870.13 and 105,861.17 is: 146,100.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,804.33 : 239,870.13 = 105,861.17 : x
  2. Step 2: Convert to fraction form
    173,804.33/239,870.13 = 105,861.17/x
  3. Step 3: Cross multiply
    173,804.33x = 239,870.13 × 105,861.17
  4. Step 4: Simplify right side
    173,804.33x = 25,392,932,609.85
  5. Step 5: Solve for x
    x = 25,392,932,609.85/173,804.33
  6. Step 6: Final answer
    x = 146,100.69

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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.