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Finding the Fourth Proportional to 375,939.98, 563,943.13 and 106,070.48

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Solution

The fourth proportional to 375,939.98, 563,943.13 and 106,070.48 is: 159,115.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,939.98 : 563,943.13 = 106,070.48 : x
  2. Step 2: Convert to fraction form
    375,939.98/563,943.13 = 106,070.48/x
  3. Step 3: Cross multiply
    375,939.98x = 563,943.13 × 106,070.48
  4. Step 4: Simplify right side
    375,939.98x = 59,817,717,961.45
  5. Step 5: Solve for x
    x = 59,817,717,961.45/375,939.98
  6. Step 6: Final answer
    x = 159,115.07

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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.