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Finding the Fourth Proportional to 375,525.88, 563,289.66 and 91,215.16

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Solution

The fourth proportional to 375,525.88, 563,289.66 and 91,215.16 is: 136,822.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,525.88 : 563,289.66 = 91,215.16 : x
  2. Step 2: Convert to fraction form
    375,525.88/563,289.66 = 91,215.16/x
  3. Step 3: Cross multiply
    375,525.88x = 563,289.66 × 91,215.16
  4. Step 4: Simplify right side
    375,525.88x = 51,380,556,463.25
  5. Step 5: Solve for x
    x = 51,380,556,463.25/375,525.88
  6. Step 6: Final answer
    x = 136,822.94

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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.