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Finding the Fourth Proportional to 231,617.04, 347,591.72 and 98,590.76

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Solution

The fourth proportional to 231,617.04, 347,591.72 and 98,590.76 is: 147,956.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,617.04 : 347,591.72 = 98,590.76 : x
  2. Step 2: Convert to fraction form
    231,617.04/347,591.72 = 98,590.76/x
  3. Step 3: Cross multiply
    231,617.04x = 347,591.72 × 98,590.76
  4. Step 4: Simplify right side
    231,617.04x = 34,269,331,844.51
  5. Step 5: Solve for x
    x = 34,269,331,844.51/231,617.04
  6. Step 6: Final answer
    x = 147,956.87

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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.