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Finding the Fourth Proportional to 53,415.40, 80,123.10 and 44,732.20

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Solution

The fourth proportional to 53,415.40, 80,123.10 and 44,732.20 is: 67,098.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,415.40 : 80,123.10 = 44,732.20 : x
  2. Step 2: Convert to fraction form
    53,415.40/80,123.10 = 44,732.20/x
  3. Step 3: Cross multiply
    53,415.40x = 80,123.10 × 44,732.20
  4. Step 4: Simplify right side
    53,415.40x = 3,584,082,533.82
  5. Step 5: Solve for x
    x = 3,584,082,533.82/53,415.40
  6. Step 6: Final answer
    x = 67,098.30

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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.