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Finding the Fourth Proportional to 129,654.32, 194,364.76 and 46,528.88

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Solution

The fourth proportional to 129,654.32, 194,364.76 and 46,528.88 is: 69,751.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,654.32 : 194,364.76 = 46,528.88 : x
  2. Step 2: Convert to fraction form
    129,654.32/194,364.76 = 46,528.88/x
  3. Step 3: Cross multiply
    129,654.32x = 194,364.76 × 46,528.88
  4. Step 4: Simplify right side
    129,654.32x = 9,043,574,594.27
  5. Step 5: Solve for x
    x = 9,043,574,594.27/129,654.32
  6. Step 6: Final answer
    x = 69,751.43

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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.