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Finding the Fourth Proportional to 375,940.48, 563,943.88 and 106,070.98

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Solution

The fourth proportional to 375,940.48, 563,943.88 and 106,070.98 is: 159,115.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,940.48 : 563,943.88 = 106,070.98 : x
  2. Step 2: Convert to fraction form
    375,940.48/563,943.88 = 106,070.98/x
  3. Step 3: Cross multiply
    375,940.48x = 563,943.88 × 106,070.98
  4. Step 4: Simplify right side
    375,940.48x = 59,818,080,016.60
  5. Step 5: Solve for x
    x = 59,818,080,016.60/375,940.48
  6. Step 6: Final answer
    x = 159,115.83

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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.