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Finding the Fourth Proportional to 134,187.12, 201,300.12 and 40,700.88

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Solution

The fourth proportional to 134,187.12, 201,300.12 and 40,700.88 is: 61,057.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,187.12 : 201,300.12 = 40,700.88 : x
  2. Step 2: Convert to fraction form
    134,187.12/201,300.12 = 40,700.88/x
  3. Step 3: Cross multiply
    134,187.12x = 201,300.12 × 40,700.88
  4. Step 4: Simplify right side
    134,187.12x = 8,193,092,028.11
  5. Step 5: Solve for x
    x = 8,193,092,028.11/134,187.12
  6. Step 6: Final answer
    x = 61,057.22

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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.