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Finding the Fourth Proportional to 375,444.05, 563,160.06 and 91,136.88

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Solution

The fourth proportional to 375,444.05, 563,160.06 and 91,136.88 is: 136,703.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,444.05 : 563,160.06 = 91,136.88 : x
  2. Step 2: Convert to fraction form
    375,444.05/563,160.06 = 91,136.88/x
  3. Step 3: Cross multiply
    375,444.05x = 563,160.06 × 91,136.88
  4. Step 4: Simplify right side
    375,444.05x = 51,324,650,809.01
  5. Step 5: Solve for x
    x = 51,324,650,809.01/375,444.05
  6. Step 6: Final answer
    x = 136,703.86

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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.