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Finding the Fourth Proportional to 357,700.72, 536,634.06 and 104,971

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Solution

The fourth proportional to 357,700.72, 536,634.06 and 104,971 is: 157,480.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,700.72 : 536,634.06 = 104,971 : x
  2. Step 2: Convert to fraction form
    357,700.72/536,634.06 = 104,971/x
  3. Step 3: Cross multiply
    357,700.72x = 536,634.06 × 104,971
  4. Step 4: Simplify right side
    357,700.72x = 56,331,013,912.26
  5. Step 5: Solve for x
    x = 56,331,013,912.26/357,700.72
  6. Step 6: Final answer
    x = 157,480.85

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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.