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Finding the Fourth Proportional to 375,579.63, 563,267.39 and 109,271.07

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Solution

The fourth proportional to 375,579.63, 563,267.39 and 109,271.07 is: 163,876.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,579.63 : 563,267.39 = 109,271.07 : x
  2. Step 2: Convert to fraction form
    375,579.63/563,267.39 = 109,271.07/x
  3. Step 3: Cross multiply
    375,579.63x = 563,267.39 × 109,271.07
  4. Step 4: Simplify right side
    375,579.63x = 61,548,829,855.05
  5. Step 5: Solve for x
    x = 61,548,829,855.05/375,579.63
  6. Step 6: Final answer
    x = 163,876.91

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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.