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Finding the Fourth Proportional to 183,591.64, 253,355.46 and 103,019.08

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Solution

The fourth proportional to 183,591.64, 253,355.46 and 103,019.08 is: 142,165.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,591.64 : 253,355.46 = 103,019.08 : x
  2. Step 2: Convert to fraction form
    183,591.64/253,355.46 = 103,019.08/x
  3. Step 3: Cross multiply
    183,591.64x = 253,355.46 × 103,019.08
  4. Step 4: Simplify right side
    183,591.64x = 26,100,446,402.18
  5. Step 5: Solve for x
    x = 26,100,446,402.18/183,591.64
  6. Step 6: Final answer
    x = 142,165.77

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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.