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Finding the Fourth Proportional to 144,698.34, 217,062.57 and 39,517.32

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Solution

The fourth proportional to 144,698.34, 217,062.57 and 39,517.32 is: 59,280.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,698.34 : 217,062.57 = 39,517.32 : x
  2. Step 2: Convert to fraction form
    144,698.34/217,062.57 = 39,517.32/x
  3. Step 3: Cross multiply
    144,698.34x = 217,062.57 × 39,517.32
  4. Step 4: Simplify right side
    144,698.34x = 8,577,731,038.71
  5. Step 5: Solve for x
    x = 8,577,731,038.71/144,698.34
  6. Step 6: Final answer
    x = 59,280.09

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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.