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Finding the Fourth Proportional to 68,038.80, 102,058.24 and 37,070.88

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Solution

The fourth proportional to 68,038.80, 102,058.24 and 37,070.88 is: 55,606.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,038.80 : 102,058.24 = 37,070.88 : x
  2. Step 2: Convert to fraction form
    68,038.80/102,058.24 = 37,070.88/x
  3. Step 3: Cross multiply
    68,038.80x = 102,058.24 × 37,070.88
  4. Step 4: Simplify right side
    68,038.80x = 3,783,388,768.05
  5. Step 5: Solve for x
    x = 3,783,388,768.05/68,038.80
  6. Step 6: Final answer
    x = 55,606.34

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1.5x scale

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.