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Finding the Fourth Proportional to 171,000.74, 235,976.90 and 93,472.94

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Solution

The fourth proportional to 171,000.74, 235,976.90 and 93,472.94 is: 128,990.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,000.74 : 235,976.90 = 93,472.94 : x
  2. Step 2: Convert to fraction form
    171,000.74/235,976.90 = 93,472.94/x
  3. Step 3: Cross multiply
    171,000.74x = 235,976.90 × 93,472.94
  4. Step 4: Simplify right side
    171,000.74x = 22,057,452,967.84
  5. Step 5: Solve for x
    x = 22,057,452,967.84/171,000.74
  6. Step 6: Final answer
    x = 128,990.40

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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.