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Finding the Fourth Proportional to 376,173.65, 564,303.27 and 136,400.49

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Solution

The fourth proportional to 376,173.65, 564,303.27 and 136,400.49 is: 204,616.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,173.65 : 564,303.27 = 136,400.49 : x
  2. Step 2: Convert to fraction form
    376,173.65/564,303.27 = 136,400.49/x
  3. Step 3: Cross multiply
    376,173.65x = 564,303.27 × 136,400.49
  4. Step 4: Simplify right side
    376,173.65x = 76,971,239,715.09
  5. Step 5: Solve for x
    x = 76,971,239,715.09/376,173.65
  6. Step 6: Final answer
    x = 204,616.25

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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.