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Finding the Fourth Proportional to 156,682.76, 216,271.52 and 100,094.13

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Solution

The fourth proportional to 156,682.76, 216,271.52 and 100,094.13 is: 138,161.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,682.76 : 216,271.52 = 100,094.13 : x
  2. Step 2: Convert to fraction form
    156,682.76/216,271.52 = 100,094.13/x
  3. Step 3: Cross multiply
    156,682.76x = 216,271.52 × 100,094.13
  4. Step 4: Simplify right side
    156,682.76x = 21,647,509,513.06
  5. Step 5: Solve for x
    x = 21,647,509,513.06/156,682.76
  6. Step 6: Final answer
    x = 138,161.40

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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.