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Finding the Fourth Proportional to 67,357.90, 101,036.85 and 37,390.54

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Solution

The fourth proportional to 67,357.90, 101,036.85 and 37,390.54 is: 56,085.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,357.90 : 101,036.85 = 37,390.54 : x
  2. Step 2: Convert to fraction form
    67,357.90/101,036.85 = 37,390.54/x
  3. Step 3: Cross multiply
    67,357.90x = 101,036.85 × 37,390.54
  4. Step 4: Simplify right side
    67,357.90x = 3,777,822,381.40
  5. Step 5: Solve for x
    x = 3,777,822,381.40/67,357.90
  6. Step 6: Final answer
    x = 56,085.81

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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.