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Finding the Fourth Proportional to 368,293.50, 552,438.68 and 102,053.25

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Solution

The fourth proportional to 368,293.50, 552,438.68 and 102,053.25 is: 153,079.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,293.50 : 552,438.68 = 102,053.25 : x
  2. Step 2: Convert to fraction form
    368,293.50/552,438.68 = 102,053.25/x
  3. Step 3: Cross multiply
    368,293.50x = 552,438.68 × 102,053.25
  4. Step 4: Simplify right side
    368,293.50x = 56,378,162,209.44
  5. Step 5: Solve for x
    x = 56,378,162,209.44/368,293.50
  6. Step 6: Final answer
    x = 153,079.44

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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.