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Finding the Fourth Proportional to 71,270.43, 106,905.72 and 32,798.21

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Solution

The fourth proportional to 71,270.43, 106,905.72 and 32,798.21 is: 49,197.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,270.43 : 106,905.72 = 32,798.21 : x
  2. Step 2: Convert to fraction form
    71,270.43/106,905.72 = 32,798.21/x
  3. Step 3: Cross multiply
    71,270.43x = 106,905.72 × 32,798.21
  4. Step 4: Simplify right side
    71,270.43x = 3,506,316,090.77
  5. Step 5: Solve for x
    x = 3,506,316,090.77/71,270.43
  6. Step 6: Final answer
    x = 49,197.35

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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.