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Finding the Fourth Proportional to 281,766.71, 388,877.93 and 174,371.33

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Solution

The fourth proportional to 281,766.71, 388,877.93 and 174,371.33 is: 240,657.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,766.71 : 388,877.93 = 174,371.33 : x
  2. Step 2: Convert to fraction form
    281,766.71/388,877.93 = 174,371.33/x
  3. Step 3: Cross multiply
    281,766.71x = 388,877.93 × 174,371.33
  4. Step 4: Simplify right side
    281,766.71x = 67,809,159,045.50
  5. Step 5: Solve for x
    x = 67,809,159,045.50/281,766.71
  6. Step 6: Final answer
    x = 240,657.10

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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.