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Finding the Fourth Proportional to 171,000.96, 256,598.08 and 92,113.28

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Solution

The fourth proportional to 171,000.96, 256,598.08 and 92,113.28 is: 138,221.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,000.96 : 256,598.08 = 92,113.28 : x
  2. Step 2: Convert to fraction form
    171,000.96/256,598.08 = 92,113.28/x
  3. Step 3: Cross multiply
    171,000.96x = 256,598.08 × 92,113.28
  4. Step 4: Simplify right side
    171,000.96x = 23,636,090,790.50
  5. Step 5: Solve for x
    x = 23,636,090,790.50/171,000.96
  6. Step 6: Final answer
    x = 138,221.98

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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.