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Finding the Fourth Proportional to 75,903.42, 113,830.83 and 35,916.96

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Solution

The fourth proportional to 75,903.42, 113,830.83 and 35,916.96 is: 53,863.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,903.42 : 113,830.83 = 35,916.96 : x
  2. Step 2: Convert to fraction form
    75,903.42/113,830.83 = 35,916.96/x
  3. Step 3: Cross multiply
    75,903.42x = 113,830.83 × 35,916.96
  4. Step 4: Simplify right side
    75,903.42x = 4,088,457,367.88
  5. Step 5: Solve for x
    x = 4,088,457,367.88/75,903.42
  6. Step 6: Final answer
    x = 53,863.94

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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.