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Finding the Fourth Proportional to 159,136.52, 238,686.93 and 40,810.64

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Solution

The fourth proportional to 159,136.52, 238,686.93 and 40,810.64 is: 61,211.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,136.52 : 238,686.93 = 40,810.64 : x
  2. Step 2: Convert to fraction form
    159,136.52/238,686.93 = 40,810.64/x
  3. Step 3: Cross multiply
    159,136.52x = 238,686.93 × 40,810.64
  4. Step 4: Simplify right side
    159,136.52x = 9,740,965,179.50
  5. Step 5: Solve for x
    x = 9,740,965,179.50/159,136.52
  6. Step 6: Final answer
    x = 61,211.38

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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.