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Finding the Fourth Proportional to 104,655.79, 156,983.80 and 38,096.47

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Solution

The fourth proportional to 104,655.79, 156,983.80 and 38,096.47 is: 57,144.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,655.79 : 156,983.80 = 38,096.47 : x
  2. Step 2: Convert to fraction form
    104,655.79/156,983.80 = 38,096.47/x
  3. Step 3: Cross multiply
    104,655.79x = 156,983.80 × 38,096.47
  4. Step 4: Simplify right side
    104,655.79x = 5,980,528,627.19
  5. Step 5: Solve for x
    x = 5,980,528,627.19/104,655.79
  6. Step 6: Final answer
    x = 57,144.75

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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.