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Finding the Fourth Proportional to 161,896.25, 223,416.83 and 94,828.25

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Solution

The fourth proportional to 161,896.25, 223,416.83 and 94,828.25 is: 130,862.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,896.25 : 223,416.83 = 94,828.25 : x
  2. Step 2: Convert to fraction form
    161,896.25/223,416.83 = 94,828.25/x
  3. Step 3: Cross multiply
    161,896.25x = 223,416.83 × 94,828.25
  4. Step 4: Simplify right side
    161,896.25x = 21,186,227,009.45
  5. Step 5: Solve for x
    x = 21,186,227,009.45/161,896.25
  6. Step 6: Final answer
    x = 130,862.99

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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.