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Finding the Fourth Proportional to 112,497.40, 168,551.70 and 73,034.20

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Solution

The fourth proportional to 112,497.40, 168,551.70 and 73,034.20 is: 109,425.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,497.40 : 168,551.70 = 73,034.20 : x
  2. Step 2: Convert to fraction form
    112,497.40/168,551.70 = 73,034.20/x
  3. Step 3: Cross multiply
    112,497.40x = 168,551.70 × 73,034.20
  4. Step 4: Simplify right side
    112,497.40x = 12,310,038,568.14
  5. Step 5: Solve for x
    x = 12,310,038,568.14/112,497.40
  6. Step 6: Final answer
    x = 109,425.09

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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.