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Finding the Fourth Proportional to 96,597.77, 144,896.72 and 77,789.57

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Solution

The fourth proportional to 96,597.77, 144,896.72 and 77,789.57 is: 116,684.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,597.77 : 144,896.72 = 77,789.57 : x
  2. Step 2: Convert to fraction form
    96,597.77/144,896.72 = 77,789.57/x
  3. Step 3: Cross multiply
    96,597.77x = 144,896.72 × 77,789.57
  4. Step 4: Simplify right side
    96,597.77x = 11,271,452,429.78
  5. Step 5: Solve for x
    x = 11,271,452,429.78/96,597.77
  6. Step 6: Final answer
    x = 116,684.40

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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.