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Finding the Fourth Proportional to 376,681.59, 565,101.36 and 110,420.42

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Solution

The fourth proportional to 376,681.59, 565,101.36 and 110,420.42 is: 165,653.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,681.59 : 565,101.36 = 110,420.42 : x
  2. Step 2: Convert to fraction form
    376,681.59/565,101.36 = 110,420.42/x
  3. Step 3: Cross multiply
    376,681.59x = 565,101.36 × 110,420.42
  4. Step 4: Simplify right side
    376,681.59x = 62,398,726,688.26
  5. Step 5: Solve for x
    x = 62,398,726,688.26/376,681.59
  6. Step 6: Final answer
    x = 165,653.77

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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.