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Finding the Fourth Proportional to 158,730.54, 237,970.98 and 108,658.86

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Solution

The fourth proportional to 158,730.54, 237,970.98 and 108,658.86 is: 162,902.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,730.54 : 237,970.98 = 108,658.86 : x
  2. Step 2: Convert to fraction form
    158,730.54/237,970.98 = 108,658.86/x
  3. Step 3: Cross multiply
    158,730.54x = 237,970.98 × 108,658.86
  4. Step 4: Simplify right side
    158,730.54x = 25,857,655,399.88
  5. Step 5: Solve for x
    x = 25,857,655,399.88/158,730.54
  6. Step 6: Final answer
    x = 162,902.84

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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.