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Finding the Fourth Proportional to 107,245.57, 147,999.08 and 59,498.94

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Solution

The fourth proportional to 107,245.57, 147,999.08 and 59,498.94 is: 82,108.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,245.57 : 147,999.08 = 59,498.94 : x
  2. Step 2: Convert to fraction form
    107,245.57/147,999.08 = 59,498.94/x
  3. Step 3: Cross multiply
    107,245.57x = 147,999.08 × 59,498.94
  4. Step 4: Simplify right side
    107,245.57x = 8,805,788,380.98
  5. Step 5: Solve for x
    x = 8,805,788,380.98/107,245.57
  6. Step 6: Final answer
    x = 82,108.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.