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Finding the Fourth Proportional to 113,790.54, 169,820.55 and 101,179.52

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Solution

The fourth proportional to 113,790.54, 169,820.55 and 101,179.52 is: 150,999.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,790.54 : 169,820.55 = 101,179.52 : x
  2. Step 2: Convert to fraction form
    113,790.54/169,820.55 = 101,179.52/x
  3. Step 3: Cross multiply
    113,790.54x = 169,820.55 × 101,179.52
  4. Step 4: Simplify right side
    113,790.54x = 17,182,360,886.03
  5. Step 5: Solve for x
    x = 17,182,360,886.03/113,790.54
  6. Step 6: Final answer
    x = 150,999.91

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.