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Finding the Fourth Proportional to 147,060.70, 205,441.10 and 147,060.70

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Solution

The fourth proportional to 147,060.70, 205,441.10 and 147,060.70 is: 205,441.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,060.70 : 205,441.10 = 147,060.70 : x
  2. Step 2: Convert to fraction form
    147,060.70/205,441.10 = 147,060.70/x
  3. Step 3: Cross multiply
    147,060.70x = 205,441.10 × 147,060.70
  4. Step 4: Simplify right side
    147,060.70x = 30,212,311,974.77
  5. Step 5: Solve for x
    x = 30,212,311,974.77/147,060.70
  6. Step 6: Final answer
    x = 205,441.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.