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Finding the Fourth Proportional to 375,382.90, 563,110.11 and 105,510.34

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Solution

The fourth proportional to 375,382.90, 563,110.11 and 105,510.34 is: 158,275.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,382.90 : 563,110.11 = 105,510.34 : x
  2. Step 2: Convert to fraction form
    375,382.90/563,110.11 = 105,510.34/x
  3. Step 3: Cross multiply
    375,382.90x = 563,110.11 × 105,510.34
  4. Step 4: Simplify right side
    375,382.90x = 59,413,939,163.54
  5. Step 5: Solve for x
    x = 59,413,939,163.54/375,382.90
  6. Step 6: Final answer
    x = 158,275.56

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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.