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Finding the Fourth Proportional to 85,241.10, 127,904.82 and 56,797.49

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Solution

The fourth proportional to 85,241.10, 127,904.82 and 56,797.49 is: 85,225.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,241.10 : 127,904.82 = 56,797.49 : x
  2. Step 2: Convert to fraction form
    85,241.10/127,904.82 = 56,797.49/x
  3. Step 3: Cross multiply
    85,241.10x = 127,904.82 × 56,797.49
  4. Step 4: Simplify right side
    85,241.10x = 7,264,672,095.38
  5. Step 5: Solve for x
    x = 7,264,672,095.38/85,241.10
  6. Step 6: Final answer
    x = 85,225.00

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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.