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Finding the Fourth Proportional to 79,903.34, 110,262.87 and 45,887.85

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Solution

The fourth proportional to 79,903.34, 110,262.87 and 45,887.85 is: 63,323.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,903.34 : 110,262.87 = 45,887.85 : x
  2. Step 2: Convert to fraction form
    79,903.34/110,262.87 = 45,887.85/x
  3. Step 3: Cross multiply
    79,903.34x = 110,262.87 × 45,887.85
  4. Step 4: Simplify right side
    79,903.34x = 5,059,726,039.13
  5. Step 5: Solve for x
    x = 5,059,726,039.13/79,903.34
  6. Step 6: Final answer
    x = 63,323.08

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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.