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Finding the Fourth Proportional to 375,756.54, 563,630.01 and 91,447.59

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Solution

The fourth proportional to 375,756.54, 563,630.01 and 91,447.59 is: 137,170.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,756.54 : 563,630.01 = 91,447.59 : x
  2. Step 2: Convert to fraction form
    375,756.54/563,630.01 = 91,447.59/x
  3. Step 3: Cross multiply
    375,756.54x = 563,630.01 × 91,447.59
  4. Step 4: Simplify right side
    375,756.54x = 51,542,606,066.18
  5. Step 5: Solve for x
    x = 51,542,606,066.18/375,756.54
  6. Step 6: Final answer
    x = 137,170.22

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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.