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Finding the Fourth Proportional to 96,653.50, 144,995.56 and 30,108.90

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Solution

The fourth proportional to 96,653.50, 144,995.56 and 30,108.90 is: 45,168.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,653.50 : 144,995.56 = 30,108.90 : x
  2. Step 2: Convert to fraction form
    96,653.50/144,995.56 = 30,108.90/x
  3. Step 3: Cross multiply
    96,653.50x = 144,995.56 × 30,108.90
  4. Step 4: Simplify right side
    96,653.50x = 4,365,656,816.48
  5. Step 5: Solve for x
    x = 4,365,656,816.48/96,653.50
  6. Step 6: Final answer
    x = 45,168.12

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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.