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Finding the Fourth Proportional to 108,361.36, 149,551.08 and 60,626.80

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Solution

The fourth proportional to 108,361.36, 149,551.08 and 60,626.80 is: 83,671.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,361.36 : 149,551.08 = 60,626.80 : x
  2. Step 2: Convert to fraction form
    108,361.36/149,551.08 = 60,626.80/x
  3. Step 3: Cross multiply
    108,361.36x = 149,551.08 × 60,626.80
  4. Step 4: Simplify right side
    108,361.36x = 9,066,803,416.94
  5. Step 5: Solve for x
    x = 9,066,803,416.94/108,361.36
  6. Step 6: Final answer
    x = 83,671.92

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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.