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Finding the Fourth Proportional to 96,543.54, 133,245.54 and 56,280.87

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Solution

The fourth proportional to 96,543.54, 133,245.54 and 56,280.87 is: 77,676.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,543.54 : 133,245.54 = 56,280.87 : x
  2. Step 2: Convert to fraction form
    96,543.54/133,245.54 = 56,280.87/x
  3. Step 3: Cross multiply
    96,543.54x = 133,245.54 × 56,280.87
  4. Step 4: Simplify right side
    96,543.54x = 7,499,174,914.82
  5. Step 5: Solve for x
    x = 7,499,174,914.82/96,543.54
  6. Step 6: Final answer
    x = 77,676.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.