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Finding the Fourth Proportional to 140,195.93, 210,405.95 and 73,675.49

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Solution

The fourth proportional to 140,195.93, 210,405.95 and 73,675.49 is: 110,572.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,195.93 : 210,405.95 = 73,675.49 : x
  2. Step 2: Convert to fraction form
    140,195.93/210,405.95 = 73,675.49/x
  3. Step 3: Cross multiply
    140,195.93x = 210,405.95 × 73,675.49
  4. Step 4: Simplify right side
    140,195.93x = 15,501,761,096.79
  5. Step 5: Solve for x
    x = 15,501,761,096.79/140,195.93
  6. Step 6: Final answer
    x = 110,572.12

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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.