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Finding the Fourth Proportional to 376,045.70, 564,008.07 and 109,743.80

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Solution

The fourth proportional to 376,045.70, 564,008.07 and 109,743.80 is: 164,598.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,045.70 : 564,008.07 = 109,743.80 : x
  2. Step 2: Convert to fraction form
    376,045.70/564,008.07 = 109,743.80/x
  3. Step 3: Cross multiply
    376,045.70x = 564,008.07 × 109,743.80
  4. Step 4: Simplify right side
    376,045.70x = 61,896,388,832.47
  5. Step 5: Solve for x
    x = 61,896,388,832.47/376,045.70
  6. Step 6: Final answer
    x = 164,598.05

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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.