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Finding the Fourth Proportional to 96,633.55, 144,963.99 and 30,080.40

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Solution

The fourth proportional to 96,633.55, 144,963.99 and 30,080.40 is: 45,124.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,633.55 : 144,963.99 = 30,080.40 : x
  2. Step 2: Convert to fraction form
    96,633.55/144,963.99 = 30,080.40/x
  3. Step 3: Cross multiply
    96,633.55x = 144,963.99 × 30,080.40
  4. Step 4: Simplify right side
    96,633.55x = 4,360,574,654.39
  5. Step 5: Solve for x
    x = 4,360,574,654.39/96,633.55
  6. Step 6: Final answer
    x = 45,124.85

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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.