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Finding the Fourth Proportional to 71,330.40, 106,995.60 and 34,466.40

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Solution

The fourth proportional to 71,330.40, 106,995.60 and 34,466.40 is: 51,699.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,330.40 : 106,995.60 = 34,466.40 : x
  2. Step 2: Convert to fraction form
    71,330.40/106,995.60 = 34,466.40/x
  3. Step 3: Cross multiply
    71,330.40x = 106,995.60 × 34,466.40
  4. Step 4: Simplify right side
    71,330.40x = 3,687,753,147.84
  5. Step 5: Solve for x
    x = 3,687,753,147.84/71,330.40
  6. Step 6: Final answer
    x = 51,699.60

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1.5x scale

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.