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Finding the Fourth Proportional to 134,636.80, 201,964.80 and 41,142.40

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Solution

The fourth proportional to 134,636.80, 201,964.80 and 41,142.40 is: 61,716.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,636.80 : 201,964.80 = 41,142.40 : x
  2. Step 2: Convert to fraction form
    134,636.80/201,964.80 = 41,142.40/x
  3. Step 3: Cross multiply
    134,636.80x = 201,964.80 × 41,142.40
  4. Step 4: Simplify right side
    134,636.80x = 8,309,316,587.52
  5. Step 5: Solve for x
    x = 8,309,316,587.52/134,636.80
  6. Step 6: Final answer
    x = 61,716.53

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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.