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Finding the Fourth Proportional to 99,030.78, 136,525.77 and 95,929.02

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Solution

The fourth proportional to 99,030.78, 136,525.77 and 95,929.02 is: 132,249.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,030.78 : 136,525.77 = 95,929.02 : x
  2. Step 2: Convert to fraction form
    99,030.78/136,525.77 = 95,929.02/x
  3. Step 3: Cross multiply
    99,030.78x = 136,525.77 × 95,929.02
  4. Step 4: Simplify right side
    99,030.78x = 13,096,783,320.85
  5. Step 5: Solve for x
    x = 13,096,783,320.85/99,030.78
  6. Step 6: Final answer
    x = 132,249.62

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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.