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Finding the Fourth Proportional to 114,668.30, 172,002.45 and 67,234.70

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Solution

The fourth proportional to 114,668.30, 172,002.45 and 67,234.70 is: 100,852.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,668.30 : 172,002.45 = 67,234.70 : x
  2. Step 2: Convert to fraction form
    114,668.30/172,002.45 = 67,234.70/x
  3. Step 3: Cross multiply
    114,668.30x = 172,002.45 × 67,234.70
  4. Step 4: Simplify right side
    114,668.30x = 11,564,533,125.02
  5. Step 5: Solve for x
    x = 11,564,533,125.02/114,668.30
  6. Step 6: Final answer
    x = 100,852.05

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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.