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Finding the Fourth Proportional to 93,510.90, 140,112.45 and 53,999.10

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Solution

The fourth proportional to 93,510.90, 140,112.45 and 53,999.10 is: 80,909.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,510.90 : 140,112.45 = 53,999.10 : x
  2. Step 2: Convert to fraction form
    93,510.90/140,112.45 = 53,999.10/x
  3. Step 3: Cross multiply
    93,510.90x = 140,112.45 × 53,999.10
  4. Step 4: Simplify right side
    93,510.90x = 7,565,946,198.80
  5. Step 5: Solve for x
    x = 7,565,946,198.80/93,510.90
  6. Step 6: Final answer
    x = 80,909.78

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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.