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Finding the Fourth Proportional to 117,037.86, 161,623.81 and 110,662.04

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Solution

The fourth proportional to 117,037.86, 161,623.81 and 110,662.04 is: 152,819.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,037.86 : 161,623.81 = 110,662.04 : x
  2. Step 2: Convert to fraction form
    117,037.86/161,623.81 = 110,662.04/x
  3. Step 3: Cross multiply
    117,037.86x = 161,623.81 × 110,662.04
  4. Step 4: Simplify right side
    117,037.86x = 17,885,620,862.07
  5. Step 5: Solve for x
    x = 17,885,620,862.07/117,037.86
  6. Step 6: Final answer
    x = 152,819.11

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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.