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Finding the Fourth Proportional to 368,189.80, 552,252.30 and 101,926.60

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Solution

The fourth proportional to 368,189.80, 552,252.30 and 101,926.60 is: 152,880.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,189.80 : 552,252.30 = 101,926.60 : x
  2. Step 2: Convert to fraction form
    368,189.80/552,252.30 = 101,926.60/x
  3. Step 3: Cross multiply
    368,189.80x = 552,252.30 × 101,926.60
  4. Step 4: Simplify right side
    368,189.80x = 56,289,199,281.18
  5. Step 5: Solve for x
    x = 56,289,199,281.18/368,189.80
  6. Step 6: Final answer
    x = 152,880.93

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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.