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Finding the Fourth Proportional to 155,283.80, 233,100.90 and 102,795.80

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Solution

The fourth proportional to 155,283.80, 233,100.90 and 102,795.80 is: 154,309.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,283.80 : 233,100.90 = 102,795.80 : x
  2. Step 2: Convert to fraction form
    155,283.80/233,100.90 = 102,795.80/x
  3. Step 3: Cross multiply
    155,283.80x = 233,100.90 × 102,795.80
  4. Step 4: Simplify right side
    155,283.80x = 23,961,793,496.22
  5. Step 5: Solve for x
    x = 23,961,793,496.22/155,283.80
  6. Step 6: Final answer
    x = 154,309.68

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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.