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Finding the Fourth Proportional to 157,053.60, 235,191.60 and 125,949.60

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Solution

The fourth proportional to 157,053.60, 235,191.60 and 125,949.60 is: 188,612.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,053.60 : 235,191.60 = 125,949.60 : x
  2. Step 2: Convert to fraction form
    157,053.60/235,191.60 = 125,949.60/x
  3. Step 3: Cross multiply
    157,053.60x = 235,191.60 × 125,949.60
  4. Step 4: Simplify right side
    157,053.60x = 29,622,287,943.36
  5. Step 5: Solve for x
    x = 29,622,287,943.36/157,053.60
  6. Step 6: Final answer
    x = 188,612.60

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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.