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Finding the Fourth Proportional to 253,683.84, 380,231.04 and 95,811.84

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Solution

The fourth proportional to 253,683.84, 380,231.04 and 95,811.84 is: 143,606.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,683.84 : 380,231.04 = 95,811.84 : x
  2. Step 2: Convert to fraction form
    253,683.84/380,231.04 = 95,811.84/x
  3. Step 3: Cross multiply
    253,683.84x = 380,231.04 × 95,811.84
  4. Step 4: Simplify right side
    253,683.84x = 36,430,635,567.51
  5. Step 5: Solve for x
    x = 36,430,635,567.51/253,683.84
  6. Step 6: Final answer
    x = 143,606.45

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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.