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Finding the Fourth Proportional to 67,333.40, 101,000.10 and 64,271.60

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Solution

The fourth proportional to 67,333.40, 101,000.10 and 64,271.60 is: 96,407.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,333.40 : 101,000.10 = 64,271.60 : x
  2. Step 2: Convert to fraction form
    67,333.40/101,000.10 = 64,271.60/x
  3. Step 3: Cross multiply
    67,333.40x = 101,000.10 × 64,271.60
  4. Step 4: Simplify right side
    67,333.40x = 6,491,438,027.16
  5. Step 5: Solve for x
    x = 6,491,438,027.16/67,333.40
  6. Step 6: Final answer
    x = 96,407.40

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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.