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Finding the Fourth Proportional to 141,735, 212,628.64 and 58,635.48

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Solution

The fourth proportional to 141,735, 212,628.64 and 58,635.48 is: 87,964.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,735 : 212,628.64 = 58,635.48 : x
  2. Step 2: Convert to fraction form
    141,735/212,628.64 = 58,635.48/x
  3. Step 3: Cross multiply
    141,735x = 212,628.64 × 58,635.48
  4. Step 4: Simplify right side
    141,735x = 12,467,582,368.15
  5. Step 5: Solve for x
    x = 12,467,582,368.15/141,735
  6. Step 6: Final answer
    x = 87,964.03

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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.