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Finding the Fourth Proportional to 79,774.88, 110,085.08 and 45,776.34

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Solution

The fourth proportional to 79,774.88, 110,085.08 and 45,776.34 is: 63,168.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,774.88 : 110,085.08 = 45,776.34 : x
  2. Step 2: Convert to fraction form
    79,774.88/110,085.08 = 45,776.34/x
  3. Step 3: Cross multiply
    79,774.88x = 110,085.08 × 45,776.34
  4. Step 4: Simplify right side
    79,774.88x = 5,039,291,822.13
  5. Step 5: Solve for x
    x = 5,039,291,822.13/79,774.88
  6. Step 6: Final answer
    x = 63,168.91

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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.