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Finding the Fourth Proportional to 109,697.63, 151,382.72 and 59,396.63

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Solution

The fourth proportional to 109,697.63, 151,382.72 and 59,396.63 is: 81,967.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,697.63 : 151,382.72 = 59,396.63 : x
  2. Step 2: Convert to fraction form
    109,697.63/151,382.72 = 59,396.63/x
  3. Step 3: Cross multiply
    109,697.63x = 151,382.72 × 59,396.63
  4. Step 4: Simplify right side
    109,697.63x = 8,991,622,799.81
  5. Step 5: Solve for x
    x = 8,991,622,799.81/109,697.63
  6. Step 6: Final answer
    x = 81,967.34

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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.