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Finding the Fourth Proportional to 85,319.04, 117,742.84 and 47,592.48

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Solution

The fourth proportional to 85,319.04, 117,742.84 and 47,592.48 is: 65,679.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,319.04 : 117,742.84 = 47,592.48 : x
  2. Step 2: Convert to fraction form
    85,319.04/117,742.84 = 47,592.48/x
  3. Step 3: Cross multiply
    85,319.04x = 117,742.84 × 47,592.48
  4. Step 4: Simplify right side
    85,319.04x = 5,603,673,757.84
  5. Step 5: Solve for x
    x = 5,603,673,757.84/85,319.04
  6. Step 6: Final answer
    x = 65,679.05

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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.