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Finding the Fourth Proportional to 156,859.94, 216,498.15 and 93,185.44

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Solution

The fourth proportional to 156,859.94, 216,498.15 and 93,185.44 is: 128,614.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,859.94 : 216,498.15 = 93,185.44 : x
  2. Step 2: Convert to fraction form
    156,859.94/216,498.15 = 93,185.44/x
  3. Step 3: Cross multiply
    156,859.94x = 216,498.15 × 93,185.44
  4. Step 4: Simplify right side
    156,859.94x = 20,174,474,825.69
  5. Step 5: Solve for x
    x = 20,174,474,825.69/156,859.94
  6. Step 6: Final answer
    x = 128,614.57

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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.