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Finding the Fourth Proportional to 123,861.93, 185,792.90 and 35,116.21

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Solution

The fourth proportional to 123,861.93, 185,792.90 and 35,116.21 is: 52,674.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,861.93 : 185,792.90 = 35,116.21 : x
  2. Step 2: Convert to fraction form
    123,861.93/185,792.90 = 35,116.21/x
  3. Step 3: Cross multiply
    123,861.93x = 185,792.90 × 35,116.21
  4. Step 4: Simplify right side
    123,861.93x = 6,524,342,492.91
  5. Step 5: Solve for x
    x = 6,524,342,492.91/123,861.93
  6. Step 6: Final answer
    x = 52,674.32

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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.