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Finding the Fourth Proportional to 375,952.78, 563,919.85 and 109,715.64

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Solution

The fourth proportional to 375,952.78, 563,919.85 and 109,715.64 is: 164,570.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,952.78 : 563,919.85 = 109,715.64 : x
  2. Step 2: Convert to fraction form
    375,952.78/563,919.85 = 109,715.64/x
  3. Step 3: Cross multiply
    375,952.78x = 563,919.85 × 109,715.64
  4. Step 4: Simplify right side
    375,952.78x = 61,870,827,251.45
  5. Step 5: Solve for x
    x = 61,870,827,251.45/375,952.78
  6. Step 6: Final answer
    x = 164,570.74

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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.