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Finding the Fourth Proportional to 313,183.74, 432,188.94 and 184,136.76

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Solution

The fourth proportional to 313,183.74, 432,188.94 and 184,136.76 is: 254,106.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,183.74 : 432,188.94 = 184,136.76 : x
  2. Step 2: Convert to fraction form
    313,183.74/432,188.94 = 184,136.76/x
  3. Step 3: Cross multiply
    313,183.74x = 432,188.94 × 184,136.76
  4. Step 4: Simplify right side
    313,183.74x = 79,581,871,119.43
  5. Step 5: Solve for x
    x = 79,581,871,119.43/313,183.74
  6. Step 6: Final answer
    x = 254,106.01

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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.