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Finding the Fourth Proportional to 375,507.53, 563,255.12 and 91,200.41

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Solution

The fourth proportional to 375,507.53, 563,255.12 and 91,200.41 is: 136,799.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,507.53 : 563,255.12 = 91,200.41 : x
  2. Step 2: Convert to fraction form
    375,507.53/563,255.12 = 91,200.41/x
  3. Step 3: Cross multiply
    375,507.53x = 563,255.12 × 91,200.41
  4. Step 4: Simplify right side
    375,507.53x = 51,369,097,878.60
  5. Step 5: Solve for x
    x = 51,369,097,878.60/375,507.53
  6. Step 6: Final answer
    x = 136,799.12

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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.