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Finding the Fourth Proportional to 102,671.38, 153,632.39 and 60,571.63

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Solution

The fourth proportional to 102,671.38, 153,632.39 and 60,571.63 is: 90,636.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,671.38 : 153,632.39 = 60,571.63 : x
  2. Step 2: Convert to fraction form
    102,671.38/153,632.39 = 60,571.63/x
  3. Step 3: Cross multiply
    102,671.38x = 153,632.39 × 60,571.63
  4. Step 4: Simplify right side
    102,671.38x = 9,305,764,283.10
  5. Step 5: Solve for x
    x = 9,305,764,283.10/102,671.38
  6. Step 6: Final answer
    x = 90,636.40

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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.