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Finding the Fourth Proportional to 149,205.30, 223,807.95 and 60,461.70

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Solution

The fourth proportional to 149,205.30, 223,807.95 and 60,461.70 is: 90,692.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,205.30 : 223,807.95 = 60,461.70 : x
  2. Step 2: Convert to fraction form
    149,205.30/223,807.95 = 60,461.70/x
  3. Step 3: Cross multiply
    149,205.30x = 223,807.95 × 60,461.70
  4. Step 4: Simplify right side
    149,205.30x = 13,531,809,130.52
  5. Step 5: Solve for x
    x = 13,531,809,130.52/149,205.30
  6. Step 6: Final answer
    x = 90,692.55

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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.