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Finding the Fourth Proportional to 93,658.56, 140,487.84 and 31,329.60

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Solution

The fourth proportional to 93,658.56, 140,487.84 and 31,329.60 is: 46,994.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,658.56 : 140,487.84 = 31,329.60 : x
  2. Step 2: Convert to fraction form
    93,658.56/140,487.84 = 31,329.60/x
  3. Step 3: Cross multiply
    93,658.56x = 140,487.84 × 31,329.60
  4. Step 4: Simplify right side
    93,658.56x = 4,401,427,832.06
  5. Step 5: Solve for x
    x = 4,401,427,832.06/93,658.56
  6. Step 6: Final answer
    x = 46,994.40

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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.