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Finding the Fourth Proportional to 156,760.98, 216,392.19 and 109,042.02

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Solution

The fourth proportional to 156,760.98, 216,392.19 and 109,042.02 is: 150,521.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,760.98 : 216,392.19 = 109,042.02 : x
  2. Step 2: Convert to fraction form
    156,760.98/216,392.19 = 109,042.02/x
  3. Step 3: Cross multiply
    156,760.98x = 216,392.19 × 109,042.02
  4. Step 4: Simplify right side
    156,760.98x = 23,595,841,509.82
  5. Step 5: Solve for x
    x = 23,595,841,509.82/156,760.98
  6. Step 6: Final answer
    x = 150,521.14

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1.5x scale

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.