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Finding the Fourth Proportional to 96,354.87, 144,554.22 and 51,980.64

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Solution

The fourth proportional to 96,354.87, 144,554.22 and 51,980.64 is: 77,982.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,354.87 : 144,554.22 = 51,980.64 : x
  2. Step 2: Convert to fraction form
    96,354.87/144,554.22 = 51,980.64/x
  3. Step 3: Cross multiply
    96,354.87x = 144,554.22 × 51,980.64
  4. Step 4: Simplify right side
    96,354.87x = 7,514,020,870.30
  5. Step 5: Solve for x
    x = 7,514,020,870.30/96,354.87
  6. Step 6: Final answer
    x = 77,982.78

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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.