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Finding the Fourth Proportional to 144,692.90, 217,280.20 and 97,611.02

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Solution

The fourth proportional to 144,692.90, 217,280.20 and 97,611.02 is: 146,579.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,692.90 : 217,280.20 = 97,611.02 : x
  2. Step 2: Convert to fraction form
    144,692.90/217,280.20 = 97,611.02/x
  3. Step 3: Cross multiply
    144,692.90x = 217,280.20 × 97,611.02
  4. Step 4: Simplify right side
    144,692.90x = 21,208,941,947.80
  5. Step 5: Solve for x
    x = 21,208,941,947.80/144,692.90
  6. Step 6: Final answer
    x = 146,579.01

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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.