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Finding the Fourth Proportional to 291,701.25, 437,551.88 and 94,709.25

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Solution

The fourth proportional to 291,701.25, 437,551.88 and 94,709.25 is: 142,063.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,701.25 : 437,551.88 = 94,709.25 : x
  2. Step 2: Convert to fraction form
    291,701.25/437,551.88 = 94,709.25/x
  3. Step 3: Cross multiply
    291,701.25x = 437,551.88 × 94,709.25
  4. Step 4: Simplify right side
    291,701.25x = 41,440,209,917.34
  5. Step 5: Solve for x
    x = 41,440,209,917.34/291,701.25
  6. Step 6: Final answer
    x = 142,063.88

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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.