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Finding the Fourth Proportional to 108,892.53, 163,359.45 and 37,812.40

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Solution

The fourth proportional to 108,892.53, 163,359.45 and 37,812.40 is: 56,725.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,892.53 : 163,359.45 = 37,812.40 : x
  2. Step 2: Convert to fraction form
    108,892.53/163,359.45 = 37,812.40/x
  3. Step 3: Cross multiply
    108,892.53x = 163,359.45 × 37,812.40
  4. Step 4: Simplify right side
    108,892.53x = 6,177,011,861.32
  5. Step 5: Solve for x
    x = 6,177,011,861.32/108,892.53
  6. Step 6: Final answer
    x = 56,725.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.