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Finding the Fourth Proportional to 116,713.78, 160,840.29 and 84,832.18

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Solution

The fourth proportional to 116,713.78, 160,840.29 and 84,832.18 is: 116,905.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,713.78 : 160,840.29 = 84,832.18 : x
  2. Step 2: Convert to fraction form
    116,713.78/160,840.29 = 84,832.18/x
  3. Step 3: Cross multiply
    116,713.78x = 160,840.29 × 84,832.18
  4. Step 4: Simplify right side
    116,713.78x = 13,644,432,432.53
  5. Step 5: Solve for x
    x = 13,644,432,432.53/116,713.78
  6. Step 6: Final answer
    x = 116,905.07

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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.