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Finding the Fourth Proportional to 552,522.02, 828,700.90 and 153,121.14

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Solution

The fourth proportional to 552,522.02, 828,700.90 and 153,121.14 is: 229,658.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,522.02 : 828,700.90 = 153,121.14 : x
  2. Step 2: Convert to fraction form
    552,522.02/828,700.90 = 153,121.14/x
  3. Step 3: Cross multiply
    552,522.02x = 828,700.90 × 153,121.14
  4. Step 4: Simplify right side
    552,522.02x = 126,891,626,144.22
  5. Step 5: Solve for x
    x = 126,891,626,144.22/552,522.02
  6. Step 6: Final answer
    x = 229,658.95

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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.