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Finding the Fourth Proportional to 93,539.96, 140,309.76 and 23,419.16

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Solution

The fourth proportional to 93,539.96, 140,309.76 and 23,419.16 is: 35,128.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,539.96 : 140,309.76 = 23,419.16 : x
  2. Step 2: Convert to fraction form
    93,539.96/140,309.76 = 23,419.16/x
  3. Step 3: Cross multiply
    93,539.96x = 140,309.76 × 23,419.16
  4. Step 4: Simplify right side
    93,539.96x = 3,285,936,719.00
  5. Step 5: Solve for x
    x = 3,285,936,719.00/93,539.96
  6. Step 6: Final answer
    x = 35,128.69

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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.