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Finding the Fourth Proportional to 248,818.80, 373,228.20 and 61,830.30

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Solution

The fourth proportional to 248,818.80, 373,228.20 and 61,830.30 is: 92,745.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,818.80 : 373,228.20 = 61,830.30 : x
  2. Step 2: Convert to fraction form
    248,818.80/373,228.20 = 61,830.30/x
  3. Step 3: Cross multiply
    248,818.80x = 373,228.20 × 61,830.30
  4. Step 4: Simplify right side
    248,818.80x = 23,076,811,574.46
  5. Step 5: Solve for x
    x = 23,076,811,574.46/248,818.80
  6. Step 6: Final answer
    x = 92,745.45

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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.