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Finding the Fourth Proportional to 181,648.49, 272,440.53 and 55,258.11

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Solution

The fourth proportional to 181,648.49, 272,440.53 and 55,258.11 is: 82,877.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,648.49 : 272,440.53 = 55,258.11 : x
  2. Step 2: Convert to fraction form
    181,648.49/272,440.53 = 55,258.11/x
  3. Step 3: Cross multiply
    181,648.49x = 272,440.53 × 55,258.11
  4. Step 4: Simplify right side
    181,648.49x = 15,054,548,775.20
  5. Step 5: Solve for x
    x = 15,054,548,775.20/181,648.49
  6. Step 6: Final answer
    x = 82,877.37

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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.