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Finding the Fourth Proportional to 161,113.21, 241,301.88 and 76,932.63

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Solution

The fourth proportional to 161,113.21, 241,301.88 and 76,932.63 is: 115,223.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,113.21 : 241,301.88 = 76,932.63 : x
  2. Step 2: Convert to fraction form
    161,113.21/241,301.88 = 76,932.63/x
  3. Step 3: Cross multiply
    161,113.21x = 241,301.88 × 76,932.63
  4. Step 4: Simplify right side
    161,113.21x = 18,563,988,252.34
  5. Step 5: Solve for x
    x = 18,563,988,252.34/161,113.21
  6. Step 6: Final answer
    x = 115,223.26

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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.