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Finding the Fourth Proportional to 133,725.60, 200,588.40 and 112,730.40

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Solution

The fourth proportional to 133,725.60, 200,588.40 and 112,730.40 is: 169,095.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,725.60 : 200,588.40 = 112,730.40 : x
  2. Step 2: Convert to fraction form
    133,725.60/200,588.40 = 112,730.40/x
  3. Step 3: Cross multiply
    133,725.60x = 200,588.40 × 112,730.40
  4. Step 4: Simplify right side
    133,725.60x = 22,612,410,567.36
  5. Step 5: Solve for x
    x = 22,612,410,567.36/133,725.60
  6. Step 6: Final answer
    x = 169,095.60

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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.