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Finding the Fourth Proportional to 123,437.52, 185,118.12 and 44,541.54

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Solution

The fourth proportional to 123,437.52, 185,118.12 and 44,541.54 is: 66,798.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,437.52 : 185,118.12 = 44,541.54 : x
  2. Step 2: Convert to fraction form
    123,437.52/185,118.12 = 44,541.54/x
  3. Step 3: Cross multiply
    123,437.52x = 185,118.12 × 44,541.54
  4. Step 4: Simplify right side
    123,437.52x = 8,245,446,146.70
  5. Step 5: Solve for x
    x = 8,245,446,146.70/123,437.52
  6. Step 6: Final answer
    x = 66,798.54

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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.