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Finding the Fourth Proportional to 182,465.40, 273,467.70 and 161,729.40

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Solution

The fourth proportional to 182,465.40, 273,467.70 and 161,729.40 is: 242,389.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,465.40 : 273,467.70 = 161,729.40 : x
  2. Step 2: Convert to fraction form
    182,465.40/273,467.70 = 161,729.40/x
  3. Step 3: Cross multiply
    182,465.40x = 273,467.70 × 161,729.40
  4. Step 4: Simplify right side
    182,465.40x = 44,227,767,040.38
  5. Step 5: Solve for x
    x = 44,227,767,040.38/182,465.40
  6. Step 6: Final answer
    x = 242,389.88

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1.5x scale

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.