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Finding the Fourth Proportional to 114,882.50, 172,336.11 and 48,329.40

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Solution

The fourth proportional to 114,882.50, 172,336.11 and 48,329.40 is: 72,499.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,882.50 : 172,336.11 = 48,329.40 : x
  2. Step 2: Convert to fraction form
    114,882.50/172,336.11 = 48,329.40/x
  3. Step 3: Cross multiply
    114,882.50x = 172,336.11 × 48,329.40
  4. Step 4: Simplify right side
    114,882.50x = 8,328,900,794.63
  5. Step 5: Solve for x
    x = 8,328,900,794.63/114,882.50
  6. Step 6: Final answer
    x = 72,499.30

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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.