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Finding the Fourth Proportional to 161,892.50, 223,411.65 and 94,824.50

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Solution

The fourth proportional to 161,892.50, 223,411.65 and 94,824.50 is: 130,857.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,892.50 : 223,411.65 = 94,824.50 : x
  2. Step 2: Convert to fraction form
    161,892.50/223,411.65 = 94,824.50/x
  3. Step 3: Cross multiply
    161,892.50x = 223,411.65 × 94,824.50
  4. Step 4: Simplify right side
    161,892.50x = 21,184,898,005.43
  5. Step 5: Solve for x
    x = 21,184,898,005.43/161,892.50
  6. Step 6: Final answer
    x = 130,857.81

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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.