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Finding the Fourth Proportional to 108,334.80, 162,502.20 and 107,643.60

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Solution

The fourth proportional to 108,334.80, 162,502.20 and 107,643.60 is: 161,465.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,334.80 : 162,502.20 = 107,643.60 : x
  2. Step 2: Convert to fraction form
    108,334.80/162,502.20 = 107,643.60/x
  3. Step 3: Cross multiply
    108,334.80x = 162,502.20 × 107,643.60
  4. Step 4: Simplify right side
    108,334.80x = 17,492,321,815.92
  5. Step 5: Solve for x
    x = 17,492,321,815.92/108,334.80
  6. Step 6: Final answer
    x = 161,465.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.