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Finding the Fourth Proportional to 70,094.92, 105,154.26 and 30,651.16

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Solution

The fourth proportional to 70,094.92, 105,154.26 and 30,651.16 is: 45,981.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,094.92 : 105,154.26 = 30,651.16 : x
  2. Step 2: Convert to fraction form
    70,094.92/105,154.26 = 30,651.16/x
  3. Step 3: Cross multiply
    70,094.92x = 105,154.26 × 30,651.16
  4. Step 4: Simplify right side
    70,094.92x = 3,223,100,047.94
  5. Step 5: Solve for x
    x = 3,223,100,047.94/70,094.92
  6. Step 6: Final answer
    x = 45,981.93

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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.