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Finding the Fourth Proportional to 200,664.60, 301,040.10 and 60,437.40

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Solution

The fourth proportional to 200,664.60, 301,040.10 and 60,437.40 is: 90,669.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,664.60 : 301,040.10 = 60,437.40 : x
  2. Step 2: Convert to fraction form
    200,664.60/301,040.10 = 60,437.40/x
  3. Step 3: Cross multiply
    200,664.60x = 301,040.10 × 60,437.40
  4. Step 4: Simplify right side
    200,664.60x = 18,194,080,939.74
  5. Step 5: Solve for x
    x = 18,194,080,939.74/200,664.60
  6. Step 6: Final answer
    x = 90,669.11

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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.