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Finding the Fourth Proportional to 221,362.00, 305,456.00 and 124,564.16

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Solution

The fourth proportional to 221,362.00, 305,456.00 and 124,564.16 is: 171,885.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,362.00 : 305,456.00 = 124,564.16 : x
  2. Step 2: Convert to fraction form
    221,362.00/305,456.00 = 124,564.16/x
  3. Step 3: Cross multiply
    221,362.00x = 305,456.00 × 124,564.16
  4. Step 4: Simplify right side
    221,362.00x = 38,048,870,197.78
  5. Step 5: Solve for x
    x = 38,048,870,197.78/221,362.00
  6. Step 6: Final answer
    x = 171,885.29

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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.