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Finding the Fourth Proportional to 114,253, 171,490.30 and 55,130.20

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Solution

The fourth proportional to 114,253, 171,490.30 and 55,130.20 is: 82,748.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,253 : 171,490.30 = 55,130.20 : x
  2. Step 2: Convert to fraction form
    114,253/171,490.30 = 55,130.20/x
  3. Step 3: Cross multiply
    114,253x = 171,490.30 × 55,130.20
  4. Step 4: Simplify right side
    114,253x = 9,454,294,537.06
  5. Step 5: Solve for x
    x = 9,454,294,537.06/114,253
  6. Step 6: Final answer
    x = 82,748.76

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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.