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Finding the Fourth Proportional to 94,651.30, 130,616.70 and 52,209.82

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Solution

The fourth proportional to 94,651.30, 130,616.70 and 52,209.82 is: 72,048.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,651.30 : 130,616.70 = 52,209.82 : x
  2. Step 2: Convert to fraction form
    94,651.30/130,616.70 = 52,209.82/x
  3. Step 3: Cross multiply
    94,651.30x = 130,616.70 × 52,209.82
  4. Step 4: Simplify right side
    94,651.30x = 6,819,474,395.99
  5. Step 5: Solve for x
    x = 6,819,474,395.99/94,651.30
  6. Step 6: Final answer
    x = 72,048.40

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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.