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Finding the Fourth Proportional to 77,703.96, 116,543.36 and 27,775.56

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Solution

The fourth proportional to 77,703.96, 116,543.36 and 27,775.56 is: 41,658.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,703.96 : 116,543.36 = 27,775.56 : x
  2. Step 2: Convert to fraction form
    77,703.96/116,543.36 = 27,775.56/x
  3. Step 3: Cross multiply
    77,703.96x = 116,543.36 × 27,775.56
  4. Step 4: Simplify right side
    77,703.96x = 3,237,057,088.28
  5. Step 5: Solve for x
    x = 3,237,057,088.28/77,703.96
  6. Step 6: Final answer
    x = 41,658.84

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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.