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Finding the Fourth Proportional to 161,896.13, 223,416.65 and 94,828.13

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Solution

The fourth proportional to 161,896.13, 223,416.65 and 94,828.13 is: 130,862.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,896.13 : 223,416.65 = 94,828.13 : x
  2. Step 2: Convert to fraction form
    161,896.13/223,416.65 = 94,828.13/x
  3. Step 3: Cross multiply
    161,896.13x = 223,416.65 × 94,828.13
  4. Step 4: Simplify right side
    161,896.13x = 21,186,183,130.36
  5. Step 5: Solve for x
    x = 21,186,183,130.36/161,896.13
  6. Step 6: Final answer
    x = 130,862.81

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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.