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Finding the Fourth Proportional to 164,389.80, 246,681.90 and 119,904.60

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Solution

The fourth proportional to 164,389.80, 246,681.90 and 119,904.60 is: 179,927.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,389.80 : 246,681.90 = 119,904.60 : x
  2. Step 2: Convert to fraction form
    164,389.80/246,681.90 = 119,904.60/x
  3. Step 3: Cross multiply
    164,389.80x = 246,681.90 × 119,904.60
  4. Step 4: Simplify right side
    164,389.80x = 29,578,294,546.74
  5. Step 5: Solve for x
    x = 29,578,294,546.74/164,389.80
  6. Step 6: Final answer
    x = 179,927.80

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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.