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Finding the Fourth Proportional to 368,567.60, 552,851.40 and 119,274.80

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Solution

The fourth proportional to 368,567.60, 552,851.40 and 119,274.80 is: 178,912.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,567.60 : 552,851.40 = 119,274.80 : x
  2. Step 2: Convert to fraction form
    368,567.60/552,851.40 = 119,274.80/x
  3. Step 3: Cross multiply
    368,567.60x = 552,851.40 × 119,274.80
  4. Step 4: Simplify right side
    368,567.60x = 65,941,240,164.72
  5. Step 5: Solve for x
    x = 65,941,240,164.72/368,567.60
  6. Step 6: Final answer
    x = 178,912.20

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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.