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Finding the Fourth Proportional to 93,542, 129,096.84 and 51,106.92

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Solution

The fourth proportional to 93,542, 129,096.84 and 51,106.92 is: 70,532.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,542 : 129,096.84 = 51,106.92 : x
  2. Step 2: Convert to fraction form
    93,542/129,096.84 = 51,106.92/x
  3. Step 3: Cross multiply
    93,542x = 129,096.84 × 51,106.92
  4. Step 4: Simplify right side
    93,542x = 6,597,741,874.13
  5. Step 5: Solve for x
    x = 6,597,741,874.13/93,542
  6. Step 6: Final answer
    x = 70,532.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.