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Finding the Fourth Proportional to 250,000.65, 375,120.35 and 116,861.57

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Solution

The fourth proportional to 250,000.65, 375,120.35 and 116,861.57 is: 175,348.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,000.65 : 375,120.35 = 116,861.57 : x
  2. Step 2: Convert to fraction form
    250,000.65/375,120.35 = 116,861.57/x
  3. Step 3: Cross multiply
    250,000.65x = 375,120.35 × 116,861.57
  4. Step 4: Simplify right side
    250,000.65x = 43,837,150,580.04
  5. Step 5: Solve for x
    x = 43,837,150,580.04/250,000.65
  6. Step 6: Final answer
    x = 175,348.15

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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.