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Finding the Fourth Proportional to 96,663.84, 144,993.96 and 39,725.76

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Solution

The fourth proportional to 96,663.84, 144,993.96 and 39,725.76 is: 59,587.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,663.84 : 144,993.96 = 39,725.76 : x
  2. Step 2: Convert to fraction form
    96,663.84/144,993.96 = 39,725.76/x
  3. Step 3: Cross multiply
    96,663.84x = 144,993.96 × 39,725.76
  4. Step 4: Simplify right side
    96,663.84x = 5,759,995,256.41
  5. Step 5: Solve for x
    x = 5,759,995,256.41/96,663.84
  6. Step 6: Final answer
    x = 59,587.90

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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.