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Finding the Fourth Proportional to 194,802.60, 292,203.90 and 106,010.40

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Solution

The fourth proportional to 194,802.60, 292,203.90 and 106,010.40 is: 159,015.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,802.60 : 292,203.90 = 106,010.40 : x
  2. Step 2: Convert to fraction form
    194,802.60/292,203.90 = 106,010.40/x
  3. Step 3: Cross multiply
    194,802.60x = 292,203.90 × 106,010.40
  4. Step 4: Simplify right side
    194,802.60x = 30,976,652,320.56
  5. Step 5: Solve for x
    x = 30,976,652,320.56/194,802.60
  6. Step 6: Final answer
    x = 159,015.60

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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.