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Finding the Fourth Proportional to 133,362.10, 200,043.15 and 112,366.90

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Solution

The fourth proportional to 133,362.10, 200,043.15 and 112,366.90 is: 168,550.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,362.10 : 200,043.15 = 112,366.90 : x
  2. Step 2: Convert to fraction form
    133,362.10/200,043.15 = 112,366.90/x
  3. Step 3: Cross multiply
    133,362.10x = 200,043.15 × 112,366.90
  4. Step 4: Simplify right side
    133,362.10x = 22,478,228,631.74
  5. Step 5: Solve for x
    x = 22,478,228,631.74/133,362.10
  6. Step 6: Final answer
    x = 168,550.35

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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.