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Finding the Fourth Proportional to 71,201.67, 106,818.72 and 37,904.19

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Solution

The fourth proportional to 71,201.67, 106,818.72 and 37,904.19 is: 56,864.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,201.67 : 106,818.72 = 37,904.19 : x
  2. Step 2: Convert to fraction form
    71,201.67/106,818.72 = 37,904.19/x
  3. Step 3: Cross multiply
    71,201.67x = 106,818.72 × 37,904.19
  4. Step 4: Simplify right side
    71,201.67x = 4,048,877,058.44
  5. Step 5: Solve for x
    x = 4,048,877,058.44/71,201.67
  6. Step 6: Final answer
    x = 56,864.92

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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.