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Finding the Fourth Proportional to 160,108.64, 220,977.36 and 93,079.52

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Solution

The fourth proportional to 160,108.64, 220,977.36 and 93,079.52 is: 128,465.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,108.64 : 220,977.36 = 93,079.52 : x
  2. Step 2: Convert to fraction form
    160,108.64/220,977.36 = 93,079.52/x
  3. Step 3: Cross multiply
    160,108.64x = 220,977.36 × 93,079.52
  4. Step 4: Simplify right side
    160,108.64x = 20,568,466,599.67
  5. Step 5: Solve for x
    x = 20,568,466,599.67/160,108.64
  6. Step 6: Final answer
    x = 128,465.69

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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.