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Finding the Fourth Proportional to 180,154.16, 248,610.03 and 99,579.90

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Solution

The fourth proportional to 180,154.16, 248,610.03 and 99,579.90 is: 137,418.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,154.16 : 248,610.03 = 99,579.90 : x
  2. Step 2: Convert to fraction form
    180,154.16/248,610.03 = 99,579.90/x
  3. Step 3: Cross multiply
    180,154.16x = 248,610.03 × 99,579.90
  4. Step 4: Simplify right side
    180,154.16x = 24,756,561,926.40
  5. Step 5: Solve for x
    x = 24,756,561,926.40/180,154.16
  6. Step 6: Final answer
    x = 137,418.77

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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.