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Finding the Fourth Proportional to 107,243.55, 147,989.43 and 59,495.94

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Solution

The fourth proportional to 107,243.55, 147,989.43 and 59,495.94 is: 82,100.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,243.55 : 147,989.43 = 59,495.94 : x
  2. Step 2: Convert to fraction form
    107,243.55/147,989.43 = 59,495.94/x
  3. Step 3: Cross multiply
    107,243.55x = 147,989.43 × 59,495.94
  4. Step 4: Simplify right side
    107,243.55x = 8,804,770,247.91
  5. Step 5: Solve for x
    x = 8,804,770,247.91/107,243.55
  6. Step 6: Final answer
    x = 82,100.70

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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.