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Finding the Fourth Proportional to 223,688.80, 335,630.40 and 112,880.80

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Solution

The fourth proportional to 223,688.80, 335,630.40 and 112,880.80 is: 169,370.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,688.80 : 335,630.40 = 112,880.80 : x
  2. Step 2: Convert to fraction form
    223,688.80/335,630.40 = 112,880.80/x
  3. Step 3: Cross multiply
    223,688.80x = 335,630.40 × 112,880.80
  4. Step 4: Simplify right side
    223,688.80x = 37,886,228,056.32
  5. Step 5: Solve for x
    x = 37,886,228,056.32/223,688.80
  6. Step 6: Final answer
    x = 169,370.25

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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.