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Finding the Fourth Proportional to 99,182.72, 148,774.08 and 25,310.72

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Solution

The fourth proportional to 99,182.72, 148,774.08 and 25,310.72 is: 37,966.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,182.72 : 148,774.08 = 25,310.72 : x
  2. Step 2: Convert to fraction form
    99,182.72/148,774.08 = 25,310.72/x
  3. Step 3: Cross multiply
    99,182.72x = 148,774.08 × 25,310.72
  4. Step 4: Simplify right side
    99,182.72x = 3,765,579,082.14
  5. Step 5: Solve for x
    x = 3,765,579,082.14/99,182.72
  6. Step 6: Final answer
    x = 37,966.08

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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.