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Finding the Fourth Proportional to 177,322.80, 244,652.16 and 116,871.72

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Solution

The fourth proportional to 177,322.80, 244,652.16 and 116,871.72 is: 161,247.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,322.80 : 244,652.16 = 116,871.72 : x
  2. Step 2: Convert to fraction form
    177,322.80/244,652.16 = 116,871.72/x
  3. Step 3: Cross multiply
    177,322.80x = 244,652.16 × 116,871.72
  4. Step 4: Simplify right side
    177,322.80x = 28,592,918,740.92
  5. Step 5: Solve for x
    x = 28,592,918,740.92/177,322.80
  6. Step 6: Final answer
    x = 161,247.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.