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Finding the Fourth Proportional to 94,255.68, 130,069.50 and 51,813.90

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Solution

The fourth proportional to 94,255.68, 130,069.50 and 51,813.90 is: 71,501.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,255.68 : 130,069.50 = 51,813.90 : x
  2. Step 2: Convert to fraction form
    94,255.68/130,069.50 = 51,813.90/x
  3. Step 3: Cross multiply
    94,255.68x = 130,069.50 × 51,813.90
  4. Step 4: Simplify right side
    94,255.68x = 6,739,408,066.05
  5. Step 5: Solve for x
    x = 6,739,408,066.05/94,255.68
  6. Step 6: Final answer
    x = 71,501.35

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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.