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Finding the Fourth Proportional to 238,107.60, 356,869.80 and 104,846.40

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Solution

The fourth proportional to 238,107.60, 356,869.80 and 104,846.40 is: 157,141.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,107.60 : 356,869.80 = 104,846.40 : x
  2. Step 2: Convert to fraction form
    238,107.60/356,869.80 = 104,846.40/x
  3. Step 3: Cross multiply
    238,107.60x = 356,869.80 × 104,846.40
  4. Step 4: Simplify right side
    238,107.60x = 37,416,513,798.72
  5. Step 5: Solve for x
    x = 37,416,513,798.72/238,107.60
  6. Step 6: Final answer
    x = 157,141.20

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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.