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Finding the Fourth Proportional to 183,376.60, 253,164.42 and 140,276.56

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Solution

The fourth proportional to 183,376.60, 253,164.42 and 140,276.56 is: 193,661.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,376.60 : 253,164.42 = 140,276.56 : x
  2. Step 2: Convert to fraction form
    183,376.60/253,164.42 = 140,276.56/x
  3. Step 3: Cross multiply
    183,376.60x = 253,164.42 × 140,276.56
  4. Step 4: Simplify right side
    183,376.60x = 35,513,033,952.00
  5. Step 5: Solve for x
    x = 35,513,033,952.00/183,376.60
  6. Step 6: Final answer
    x = 193,661.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.