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Finding the Fourth Proportional to 229,903.80, 344,851.67 and 103,454.55

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Solution

The fourth proportional to 229,903.80, 344,851.67 and 103,454.55 is: 155,180.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,903.80 : 344,851.67 = 103,454.55 : x
  2. Step 2: Convert to fraction form
    229,903.80/344,851.67 = 103,454.55/x
  3. Step 3: Cross multiply
    229,903.80x = 344,851.67 × 103,454.55
  4. Step 4: Simplify right side
    229,903.80x = 35,676,474,336.60
  5. Step 5: Solve for x
    x = 35,676,474,336.60/229,903.80
  6. Step 6: Final answer
    x = 155,180.01

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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.