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Finding the Fourth Proportional to 60,467.60, 90,701.40 and 43,749.20

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Solution

The fourth proportional to 60,467.60, 90,701.40 and 43,749.20 is: 65,623.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,467.60 : 90,701.40 = 43,749.20 : x
  2. Step 2: Convert to fraction form
    60,467.60/90,701.40 = 43,749.20/x
  3. Step 3: Cross multiply
    60,467.60x = 90,701.40 × 43,749.20
  4. Step 4: Simplify right side
    60,467.60x = 3,968,113,688.88
  5. Step 5: Solve for x
    x = 3,968,113,688.88/60,467.60
  6. Step 6: Final answer
    x = 65,623.80

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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.