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Finding the Fourth Proportional to 65,826.80, 98,740.20 and 65,826.80

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Solution

The fourth proportional to 65,826.80, 98,740.20 and 65,826.80 is: 98,740.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,826.80 : 98,740.20 = 65,826.80 : x
  2. Step 2: Convert to fraction form
    65,826.80/98,740.20 = 65,826.80/x
  3. Step 3: Cross multiply
    65,826.80x = 98,740.20 × 65,826.80
  4. Step 4: Simplify right side
    65,826.80x = 6,499,751,397.36
  5. Step 5: Solve for x
    x = 6,499,751,397.36/65,826.80
  6. Step 6: Final answer
    x = 98,740.20

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1.5x scale

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.