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Finding the Fourth Proportional to 93,790.69, 140,700.72 and 30,596.21

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Solution

The fourth proportional to 93,790.69, 140,700.72 and 30,596.21 is: 45,899.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,790.69 : 140,700.72 = 30,596.21 : x
  2. Step 2: Convert to fraction form
    93,790.69/140,700.72 = 30,596.21/x
  3. Step 3: Cross multiply
    93,790.69x = 140,700.72 × 30,596.21
  4. Step 4: Simplify right side
    93,790.69x = 4,304,908,233.36
  5. Step 5: Solve for x
    x = 4,304,908,233.36/93,790.69
  6. Step 6: Final answer
    x = 45,899.10

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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.