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Finding the Fourth Proportional to 134,917.60, 202,203.60 and 103,597.60

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Solution

The fourth proportional to 134,917.60, 202,203.60 and 103,597.60 is: 155,263.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,917.60 : 202,203.60 = 103,597.60 : x
  2. Step 2: Convert to fraction form
    134,917.60/202,203.60 = 103,597.60/x
  3. Step 3: Cross multiply
    134,917.60x = 202,203.60 × 103,597.60
  4. Step 4: Simplify right side
    134,917.60x = 20,947,807,671.36
  5. Step 5: Solve for x
    x = 20,947,807,671.36/134,917.60
  6. Step 6: Final answer
    x = 155,263.71

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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.