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Finding the Fourth Proportional to 137,060.64, 205,595.28 and 37,220.58

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Solution

The fourth proportional to 137,060.64, 205,595.28 and 37,220.58 is: 55,832.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,060.64 : 205,595.28 = 37,220.58 : x
  2. Step 2: Convert to fraction form
    137,060.64/205,595.28 = 37,220.58/x
  3. Step 3: Cross multiply
    137,060.64x = 205,595.28 × 37,220.58
  4. Step 4: Simplify right side
    137,060.64x = 7,652,375,566.86
  5. Step 5: Solve for x
    x = 7,652,375,566.86/137,060.64
  6. Step 6: Final answer
    x = 55,832.04

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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.