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Finding the Fourth Proportional to 108,237.87, 149,367.87 and 60,491.16

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Solution

The fourth proportional to 108,237.87, 149,367.87 and 60,491.16 is: 83,477.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,237.87 : 149,367.87 = 60,491.16 : x
  2. Step 2: Convert to fraction form
    108,237.87/149,367.87 = 60,491.16/x
  3. Step 3: Cross multiply
    108,237.87x = 149,367.87 × 60,491.16
  4. Step 4: Simplify right side
    108,237.87x = 9,035,435,723.03
  5. Step 5: Solve for x
    x = 9,035,435,723.03/108,237.87
  6. Step 6: Final answer
    x = 83,477.58

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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.