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Finding the Fourth Proportional to 216,339.56, 298,354.68 and 180,160.82

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Solution

The fourth proportional to 216,339.56, 298,354.68 and 180,160.82 is: 248,460.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,339.56 : 298,354.68 = 180,160.82 : x
  2. Step 2: Convert to fraction form
    216,339.56/298,354.68 = 180,160.82/x
  3. Step 3: Cross multiply
    216,339.56x = 298,354.68 × 180,160.82
  4. Step 4: Simplify right side
    216,339.56x = 53,751,823,799.64
  5. Step 5: Solve for x
    x = 53,751,823,799.64/216,339.56
  6. Step 6: Final answer
    x = 248,460.45

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1.5x scale

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.