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Finding the Fourth Proportional to 65,718.60, 98,577.90 and 44,723.40

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Solution

The fourth proportional to 65,718.60, 98,577.90 and 44,723.40 is: 67,085.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,718.60 : 98,577.90 = 44,723.40 : x
  2. Step 2: Convert to fraction form
    65,718.60/98,577.90 = 44,723.40/x
  3. Step 3: Cross multiply
    65,718.60x = 98,577.90 × 44,723.40
  4. Step 4: Simplify right side
    65,718.60x = 4,408,738,852.86
  5. Step 5: Solve for x
    x = 4,408,738,852.86/65,718.60
  6. Step 6: Final answer
    x = 67,085.10

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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.