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Finding the Fourth Proportional to 112,233.60, 168,544.80 and 108,734.40

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Solution

The fourth proportional to 112,233.60, 168,544.80 and 108,734.40 is: 163,289.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,233.60 : 168,544.80 = 108,734.40 : x
  2. Step 2: Convert to fraction form
    112,233.60/168,544.80 = 108,734.40/x
  3. Step 3: Cross multiply
    112,233.60x = 168,544.80 × 108,734.40
  4. Step 4: Simplify right side
    112,233.60x = 18,326,617,701.12
  5. Step 5: Solve for x
    x = 18,326,617,701.12/112,233.60
  6. Step 6: Final answer
    x = 163,289.94

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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.