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Finding the Fourth Proportional to 145,020.63, 217,541.31 and 60,695.94

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Solution

The fourth proportional to 145,020.63, 217,541.31 and 60,695.94 is: 91,048.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,020.63 : 217,541.31 = 60,695.94 : x
  2. Step 2: Convert to fraction form
    145,020.63/217,541.31 = 60,695.94/x
  3. Step 3: Cross multiply
    145,020.63x = 217,541.31 × 60,695.94
  4. Step 4: Simplify right side
    145,020.63x = 13,203,874,299.28
  5. Step 5: Solve for x
    x = 13,203,874,299.28/145,020.63
  6. Step 6: Final answer
    x = 91,048.25

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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.