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Finding the Fourth Proportional to 157,644.55, 236,504.63 and 45,322.48

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Solution

The fourth proportional to 157,644.55, 236,504.63 and 45,322.48 is: 67,994.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,644.55 : 236,504.63 = 45,322.48 : x
  2. Step 2: Convert to fraction form
    157,644.55/236,504.63 = 45,322.48/x
  3. Step 3: Cross multiply
    157,644.55x = 236,504.63 × 45,322.48
  4. Step 4: Simplify right side
    157,644.55x = 10,718,976,363.08
  5. Step 5: Solve for x
    x = 10,718,976,363.08/157,644.55
  6. Step 6: Final answer
    x = 67,994.59

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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.