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Finding the Fourth Proportional to 140,245.84, 210,368.75 and 35,064.81

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Solution

The fourth proportional to 140,245.84, 210,368.75 and 35,064.81 is: 52,597.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,245.84 : 210,368.75 = 35,064.81 : x
  2. Step 2: Convert to fraction form
    140,245.84/210,368.75 = 35,064.81/x
  3. Step 3: Cross multiply
    140,245.84x = 210,368.75 × 35,064.81
  4. Step 4: Simplify right side
    140,245.84x = 7,376,540,517.12
  5. Step 5: Solve for x
    x = 7,376,540,517.12/140,245.84
  6. Step 6: Final answer
    x = 52,597.21

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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.