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Finding the Fourth Proportional to 101,594.85, 140,269.41 and 63,412.57

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Solution

The fourth proportional to 101,594.85, 140,269.41 and 63,412.57 is: 87,552.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,594.85 : 140,269.41 = 63,412.57 : x
  2. Step 2: Convert to fraction form
    101,594.85/140,269.41 = 63,412.57/x
  3. Step 3: Cross multiply
    101,594.85x = 140,269.41 × 63,412.57
  4. Step 4: Simplify right side
    101,594.85x = 8,894,842,762.07
  5. Step 5: Solve for x
    x = 8,894,842,762.07/101,594.85
  6. Step 6: Final answer
    x = 87,552.10

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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.