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Finding the Fourth Proportional to 160,892.93, 221,244.92 and 139,635.29

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Solution

The fourth proportional to 160,892.93, 221,244.92 and 139,635.29 is: 192,013.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,892.93 : 221,244.92 = 139,635.29 : x
  2. Step 2: Convert to fraction form
    160,892.93/221,244.92 = 139,635.29/x
  3. Step 3: Cross multiply
    160,892.93x = 221,244.92 × 139,635.29
  4. Step 4: Simplify right side
    160,892.93x = 30,893,598,943.80
  5. Step 5: Solve for x
    x = 30,893,598,943.80/160,892.93
  6. Step 6: Final answer
    x = 192,013.40

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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.