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Finding the Fourth Proportional to 201,035.80, 301,444.35 and 82,719.10

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Solution

The fourth proportional to 201,035.80, 301,444.35 and 82,719.10 is: 124,033.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,035.80 : 301,444.35 = 82,719.10 : x
  2. Step 2: Convert to fraction form
    201,035.80/301,444.35 = 82,719.10/x
  3. Step 3: Cross multiply
    201,035.80x = 301,444.35 × 82,719.10
  4. Step 4: Simplify right side
    201,035.80x = 24,935,205,332.09
  5. Step 5: Solve for x
    x = 24,935,205,332.09/201,035.80
  6. Step 6: Final answer
    x = 124,033.66

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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.