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Finding the Fourth Proportional to 375,900.35, 563,875.12 and 109,638.56

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Solution

The fourth proportional to 375,900.35, 563,875.12 and 109,638.56 is: 164,465.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,900.35 : 563,875.12 = 109,638.56 : x
  2. Step 2: Convert to fraction form
    375,900.35/563,875.12 = 109,638.56/x
  3. Step 3: Cross multiply
    375,900.35x = 563,875.12 × 109,638.56
  4. Step 4: Simplify right side
    375,900.35x = 61,822,457,723.36
  5. Step 5: Solve for x
    x = 61,822,457,723.36/375,900.35
  6. Step 6: Final answer
    x = 164,465.02

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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.