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Finding the Fourth Proportional to 163,357.52, 245,042.76 and 51,113.12

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Solution

The fourth proportional to 163,357.52, 245,042.76 and 51,113.12 is: 76,671.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,357.52 : 245,042.76 = 51,113.12 : x
  2. Step 2: Convert to fraction form
    163,357.52/245,042.76 = 51,113.12/x
  3. Step 3: Cross multiply
    163,357.52x = 245,042.76 × 51,113.12
  4. Step 4: Simplify right side
    163,357.52x = 12,524,899,997.01
  5. Step 5: Solve for x
    x = 12,524,899,997.01/163,357.52
  6. Step 6: Final answer
    x = 76,671.71

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1.5x scale

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.