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Finding the Fourth Proportional to 93,539.60, 140,309.40 and 83,625.20

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Solution

The fourth proportional to 93,539.60, 140,309.40 and 83,625.20 is: 125,437.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,539.60 : 140,309.40 = 83,625.20 : x
  2. Step 2: Convert to fraction form
    93,539.60/140,309.40 = 83,625.20/x
  3. Step 3: Cross multiply
    93,539.60x = 140,309.40 × 83,625.20
  4. Step 4: Simplify right side
    93,539.60x = 11,733,401,636.88
  5. Step 5: Solve for x
    x = 11,733,401,636.88/93,539.60
  6. Step 6: Final answer
    x = 125,437.80

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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.