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Finding the Fourth Proportional to 141,606.75, 212,410.69 and 57,368.51

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Solution

The fourth proportional to 141,606.75, 212,410.69 and 57,368.51 is: 86,052.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,606.75 : 212,410.69 = 57,368.51 : x
  2. Step 2: Convert to fraction form
    141,606.75/212,410.69 = 57,368.51/x
  3. Step 3: Cross multiply
    141,606.75x = 212,410.69 × 57,368.51
  4. Step 4: Simplify right side
    141,606.75x = 12,185,684,384.44
  5. Step 5: Solve for x
    x = 12,185,684,384.44/141,606.75
  6. Step 6: Final answer
    x = 86,052.99

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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.