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Finding the Fourth Proportional to 250,000.40, 375,119.97 and 116,861.32

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Solution

The fourth proportional to 250,000.40, 375,119.97 and 116,861.32 is: 175,347.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,000.40 : 375,119.97 = 116,861.32 : x
  2. Step 2: Convert to fraction form
    250,000.40/375,119.97 = 116,861.32/x
  3. Step 3: Cross multiply
    250,000.40x = 375,119.97 × 116,861.32
  4. Step 4: Simplify right side
    250,000.40x = 43,837,012,976.96
  5. Step 5: Solve for x
    x = 43,837,012,976.96/250,000.40
  6. Step 6: Final answer
    x = 175,347.77

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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.