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Finding the Fourth Proportional to 375,915.96, 563,873.46 and 91,606.20

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Solution

The fourth proportional to 375,915.96, 563,873.46 and 91,606.20 is: 137,409.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,915.96 : 563,873.46 = 91,606.20 : x
  2. Step 2: Convert to fraction form
    375,915.96/563,873.46 = 91,606.20/x
  3. Step 3: Cross multiply
    375,915.96x = 563,873.46 × 91,606.20
  4. Step 4: Simplify right side
    375,915.96x = 51,654,304,951.45
  5. Step 5: Solve for x
    x = 51,654,304,951.45/375,915.96
  6. Step 6: Final answer
    x = 137,409.18

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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.