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Finding the Fourth Proportional to 110,438.39, 152,406.75 and 60,137.39

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Solution

The fourth proportional to 110,438.39, 152,406.75 and 60,137.39 is: 82,990.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,438.39 : 152,406.75 = 60,137.39 : x
  2. Step 2: Convert to fraction form
    110,438.39/152,406.75 = 60,137.39/x
  3. Step 3: Cross multiply
    110,438.39x = 152,406.75 × 60,137.39
  4. Step 4: Simplify right side
    110,438.39x = 9,165,343,401.35
  5. Step 5: Solve for x
    x = 9,165,343,401.35/110,438.39
  6. Step 6: Final answer
    x = 82,990.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.