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Finding the Fourth Proportional to 239,696.96, 359,705.81 and 99,455.58

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Solution

The fourth proportional to 239,696.96, 359,705.81 and 99,455.58 is: 149,249.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,696.96 : 359,705.81 = 99,455.58 : x
  2. Step 2: Convert to fraction form
    239,696.96/359,705.81 = 99,455.58/x
  3. Step 3: Cross multiply
    239,696.96x = 359,705.81 × 99,455.58
  4. Step 4: Simplify right side
    239,696.96x = 35,774,750,211.56
  5. Step 5: Solve for x
    x = 35,774,750,211.56/239,696.96
  6. Step 6: Final answer
    x = 149,249.92

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1.5x scale

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.