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Finding the Fourth Proportional to 236,258.40, 353,804.40 and 156,943.20

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Solution

The fourth proportional to 236,258.40, 353,804.40 and 156,943.20 is: 235,027.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,258.40 : 353,804.40 = 156,943.20 : x
  2. Step 2: Convert to fraction form
    236,258.40/353,804.40 = 156,943.20/x
  3. Step 3: Cross multiply
    236,258.40x = 353,804.40 × 156,943.20
  4. Step 4: Simplify right side
    236,258.40x = 55,527,194,710.08
  5. Step 5: Solve for x
    x = 55,527,194,710.08/236,258.40
  6. Step 6: Final answer
    x = 235,027.39

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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.