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Finding the Fourth Proportional to 108,368.73, 149,554.49 and 60,622.88

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Solution

The fourth proportional to 108,368.73, 149,554.49 and 60,622.88 is: 83,662.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,368.73 : 149,554.49 = 60,622.88 : x
  2. Step 2: Convert to fraction form
    108,368.73/149,554.49 = 60,622.88/x
  3. Step 3: Cross multiply
    108,368.73x = 149,554.49 × 60,622.88
  4. Step 4: Simplify right side
    108,368.73x = 9,066,422,849.84
  5. Step 5: Solve for x
    x = 9,066,422,849.84/108,368.73
  6. Step 6: Final answer
    x = 83,662.72

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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.