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Finding the Fourth Proportional to 56,104.32, 77,452.02 and 34,890.42

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Solution

The fourth proportional to 56,104.32, 77,452.02 and 34,890.42 is: 48,166.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,104.32 : 77,452.02 = 34,890.42 : x
  2. Step 2: Convert to fraction form
    56,104.32/77,452.02 = 34,890.42/x
  3. Step 3: Cross multiply
    56,104.32x = 77,452.02 × 34,890.42
  4. Step 4: Simplify right side
    56,104.32x = 2,702,333,507.65
  5. Step 5: Solve for x
    x = 2,702,333,507.65/56,104.32
  6. Step 6: Final answer
    x = 48,166.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.