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Finding the Fourth Proportional to 70,299.46, 105,316.72 and 34,719.13

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Solution

The fourth proportional to 70,299.46, 105,316.72 and 34,719.13 is: 52,013.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,299.46 : 105,316.72 = 34,719.13 : x
  2. Step 2: Convert to fraction form
    70,299.46/105,316.72 = 34,719.13/x
  3. Step 3: Cross multiply
    70,299.46x = 105,316.72 × 34,719.13
  4. Step 4: Simplify right side
    70,299.46x = 3,656,504,892.85
  5. Step 5: Solve for x
    x = 3,656,504,892.85/70,299.46
  6. Step 6: Final answer
    x = 52,013.27

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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.