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Finding the Fourth Proportional to 108,653.99, 149,942.85 and 60,259.37

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Solution

The fourth proportional to 108,653.99, 149,942.85 and 60,259.37 is: 83,158.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,653.99 : 149,942.85 = 60,259.37 : x
  2. Step 2: Convert to fraction form
    108,653.99/149,942.85 = 60,259.37/x
  3. Step 3: Cross multiply
    108,653.99x = 149,942.85 × 60,259.37
  4. Step 4: Simplify right side
    108,653.99x = 9,035,461,677.00
  5. Step 5: Solve for x
    x = 9,035,461,677.00/108,653.99
  6. Step 6: Final answer
    x = 83,158.12

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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.