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Finding the Fourth Proportional to 96,312.90, 144,469.55 and 51,960.54

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Solution

The fourth proportional to 96,312.90, 144,469.55 and 51,960.54 is: 77,940.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,312.90 : 144,469.55 = 51,960.54 : x
  2. Step 2: Convert to fraction form
    96,312.90/144,469.55 = 51,960.54/x
  3. Step 3: Cross multiply
    96,312.90x = 144,469.55 × 51,960.54
  4. Step 4: Simplify right side
    96,312.90x = 7,506,715,961.46
  5. Step 5: Solve for x
    x = 7,506,715,961.46/96,312.90
  6. Step 6: Final answer
    x = 77,940.92

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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.