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Finding the Fourth Proportional to 93,645.98, 140,109.55 and 53,684.13

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Solution

The fourth proportional to 93,645.98, 140,109.55 and 53,684.13 is: 80,320.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,645.98 : 140,109.55 = 53,684.13 : x
  2. Step 2: Convert to fraction form
    93,645.98/140,109.55 = 53,684.13/x
  3. Step 3: Cross multiply
    93,645.98x = 140,109.55 × 53,684.13
  4. Step 4: Simplify right side
    93,645.98x = 7,521,659,162.23
  5. Step 5: Solve for x
    x = 7,521,659,162.23/93,645.98
  6. Step 6: Final answer
    x = 80,320.15

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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.