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Finding the Fourth Proportional to 79,174.96, 109,259.28 and 45,182.84

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Solution

The fourth proportional to 79,174.96, 109,259.28 and 45,182.84 is: 62,351.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,174.96 : 109,259.28 = 45,182.84 : x
  2. Step 2: Convert to fraction form
    79,174.96/109,259.28 = 45,182.84/x
  3. Step 3: Cross multiply
    79,174.96x = 109,259.28 × 45,182.84
  4. Step 4: Simplify right side
    79,174.96x = 4,936,644,566.76
  5. Step 5: Solve for x
    x = 4,936,644,566.76/79,174.96
  6. Step 6: Final answer
    x = 62,351.08

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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.