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Finding the Fourth Proportional to 236,552.40, 354,245.40 and 157,237.20

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Solution

The fourth proportional to 236,552.40, 354,245.40 and 157,237.20 is: 235,468.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,552.40 : 354,245.40 = 157,237.20 : x
  2. Step 2: Convert to fraction form
    236,552.40/354,245.40 = 157,237.20/x
  3. Step 3: Cross multiply
    236,552.40x = 354,245.40 × 157,237.20
  4. Step 4: Simplify right side
    236,552.40x = 55,700,554,808.88
  5. Step 5: Solve for x
    x = 55,700,554,808.88/236,552.40
  6. Step 6: Final answer
    x = 235,468.14

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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.