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Finding the Fourth Proportional to 157,055.60, 235,583.40 and 125,951.60

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Solution

The fourth proportional to 157,055.60, 235,583.40 and 125,951.60 is: 188,927.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,055.60 : 235,583.40 = 125,951.60 : x
  2. Step 2: Convert to fraction form
    157,055.60/235,583.40 = 125,951.60/x
  3. Step 3: Cross multiply
    157,055.60x = 235,583.40 × 125,951.60
  4. Step 4: Simplify right side
    157,055.60x = 29,672,106,163.44
  5. Step 5: Solve for x
    x = 29,672,106,163.44/157,055.60
  6. Step 6: Final answer
    x = 188,927.40

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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.