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Finding the Fourth Proportional to 96,566.80, 144,844.80 and 30,006.40

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Solution

The fourth proportional to 96,566.80, 144,844.80 and 30,006.40 is: 45,007.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,566.80 : 144,844.80 = 30,006.40 : x
  2. Step 2: Convert to fraction form
    96,566.80/144,844.80 = 30,006.40/x
  3. Step 3: Cross multiply
    96,566.80x = 144,844.80 × 30,006.40
  4. Step 4: Simplify right side
    96,566.80x = 4,346,271,006.72
  5. Step 5: Solve for x
    x = 4,346,271,006.72/96,566.80
  6. Step 6: Final answer
    x = 45,007.92

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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.