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Finding the Fourth Proportional to 160,549.11, 221,581.04 and 96,896.07

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Solution

The fourth proportional to 160,549.11, 221,581.04 and 96,896.07 is: 133,730.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,549.11 : 221,581.04 = 96,896.07 : x
  2. Step 2: Convert to fraction form
    160,549.11/221,581.04 = 96,896.07/x
  3. Step 3: Cross multiply
    160,549.11x = 221,581.04 × 96,896.07
  4. Step 4: Simplify right side
    160,549.11x = 21,470,331,478.03
  5. Step 5: Solve for x
    x = 21,470,331,478.03/160,549.11
  6. Step 6: Final answer
    x = 133,730.62

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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.