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Finding the Fourth Proportional to 65,746.80, 98,620.20 and 44,751.60

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Solution

The fourth proportional to 65,746.80, 98,620.20 and 44,751.60 is: 67,127.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,746.80 : 98,620.20 = 44,751.60 : x
  2. Step 2: Convert to fraction form
    65,746.80/98,620.20 = 44,751.60/x
  3. Step 3: Cross multiply
    65,746.80x = 98,620.20 × 44,751.60
  4. Step 4: Simplify right side
    65,746.80x = 4,413,411,742.32
  5. Step 5: Solve for x
    x = 4,413,411,742.32/65,746.80
  6. Step 6: Final answer
    x = 67,127.40

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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.