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Finding the Fourth Proportional to 92,134.53, 138,201.34 and 35,980.35

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Solution

The fourth proportional to 92,134.53, 138,201.34 and 35,980.35 is: 53,970.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,134.53 : 138,201.34 = 35,980.35 : x
  2. Step 2: Convert to fraction form
    92,134.53/138,201.34 = 35,980.35/x
  3. Step 3: Cross multiply
    92,134.53x = 138,201.34 × 35,980.35
  4. Step 4: Simplify right side
    92,134.53x = 4,972,532,583.67
  5. Step 5: Solve for x
    x = 4,972,532,583.67/92,134.53
  6. Step 6: Final answer
    x = 53,970.35

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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.