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Finding the Fourth Proportional to 145,960.80, 201,425.58 and 82,298.22

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Solution

The fourth proportional to 145,960.80, 201,425.58 and 82,298.22 is: 113,571.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,960.80 : 201,425.58 = 82,298.22 : x
  2. Step 2: Convert to fraction form
    145,960.80/201,425.58 = 82,298.22/x
  3. Step 3: Cross multiply
    145,960.80x = 201,425.58 × 82,298.22
  4. Step 4: Simplify right side
    145,960.80x = 16,576,966,696.47
  5. Step 5: Solve for x
    x = 16,576,966,696.47/145,960.80
  6. Step 6: Final answer
    x = 113,571.36

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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.