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Finding the Fourth Proportional to 122,437.98, 183,644.01 and 39,325.50

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Solution

The fourth proportional to 122,437.98, 183,644.01 and 39,325.50 is: 58,984.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,437.98 : 183,644.01 = 39,325.50 : x
  2. Step 2: Convert to fraction form
    122,437.98/183,644.01 = 39,325.50/x
  3. Step 3: Cross multiply
    122,437.98x = 183,644.01 × 39,325.50
  4. Step 4: Simplify right side
    122,437.98x = 7,221,892,515.26
  5. Step 5: Solve for x
    x = 7,221,892,515.26/122,437.98
  6. Step 6: Final answer
    x = 58,984.09

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1.5x scale

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.