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Finding the Fourth Proportional to 236,502.40, 354,753.60 and 112,086.40

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Solution

The fourth proportional to 236,502.40, 354,753.60 and 112,086.40 is: 168,129.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,502.40 : 354,753.60 = 112,086.40 : x
  2. Step 2: Convert to fraction form
    236,502.40/354,753.60 = 112,086.40/x
  3. Step 3: Cross multiply
    236,502.40x = 354,753.60 × 112,086.40
  4. Step 4: Simplify right side
    236,502.40x = 39,763,053,911.04
  5. Step 5: Solve for x
    x = 39,763,053,911.04/236,502.40
  6. Step 6: Final answer
    x = 168,129.60

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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.