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Finding the Fourth Proportional to 265,588.11, 398,092.23 and 130,744.98

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Solution

The fourth proportional to 265,588.11, 398,092.23 and 130,744.98 is: 195,974.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,588.11 : 398,092.23 = 130,744.98 : x
  2. Step 2: Convert to fraction form
    265,588.11/398,092.23 = 130,744.98/x
  3. Step 3: Cross multiply
    265,588.11x = 398,092.23 × 130,744.98
  4. Step 4: Simplify right side
    265,588.11x = 52,048,559,529.87
  5. Step 5: Solve for x
    x = 52,048,559,529.87/265,588.11
  6. Step 6: Final answer
    x = 195,974.74

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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.