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Finding the Fourth Proportional to 147,701, 221,643.66 and 60,149

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Solution

The fourth proportional to 147,701, 221,643.66 and 60,149 is: 90,261.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,701 : 221,643.66 = 60,149 : x
  2. Step 2: Convert to fraction form
    147,701/221,643.66 = 60,149/x
  3. Step 3: Cross multiply
    147,701x = 221,643.66 × 60,149
  4. Step 4: Simplify right side
    147,701x = 13,331,644,505.34
  5. Step 5: Solve for x
    x = 13,331,644,505.34/147,701
  6. Step 6: Final answer
    x = 90,261.03

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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.