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Finding the Fourth Proportional to 205,888.54, 308,835.37 and 56,136.22

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Solution

The fourth proportional to 205,888.54, 308,835.37 and 56,136.22 is: 84,205.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,888.54 : 308,835.37 = 56,136.22 : x
  2. Step 2: Convert to fraction form
    205,888.54/308,835.37 = 56,136.22/x
  3. Step 3: Cross multiply
    205,888.54x = 308,835.37 × 56,136.22
  4. Step 4: Simplify right side
    205,888.54x = 17,336,850,274.10
  5. Step 5: Solve for x
    x = 17,336,850,274.10/205,888.54
  6. Step 6: Final answer
    x = 84,205.03

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1.5x scale

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.