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Finding the Fourth Proportional to 218,895.26, 328,342.95 and 52,683.26

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Solution

The fourth proportional to 218,895.26, 328,342.95 and 52,683.26 is: 79,024.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,895.26 : 328,342.95 = 52,683.26 : x
  2. Step 2: Convert to fraction form
    218,895.26/328,342.95 = 52,683.26/x
  3. Step 3: Cross multiply
    218,895.26x = 328,342.95 × 52,683.26
  4. Step 4: Simplify right side
    218,895.26x = 17,298,177,004.02
  5. Step 5: Solve for x
    x = 17,298,177,004.02/218,895.26
  6. Step 6: Final answer
    x = 79,024.90

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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.