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Finding the Fourth Proportional to 109,717.56, 151,410.84 and 59,416.56

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Solution

The fourth proportional to 109,717.56, 151,410.84 and 59,416.56 is: 81,995.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,717.56 : 151,410.84 = 59,416.56 : x
  2. Step 2: Convert to fraction form
    109,717.56/151,410.84 = 59,416.56/x
  3. Step 3: Cross multiply
    109,717.56x = 151,410.84 × 59,416.56
  4. Step 4: Simplify right side
    109,717.56x = 8,996,311,259.51
  5. Step 5: Solve for x
    x = 8,996,311,259.51/109,717.56
  6. Step 6: Final answer
    x = 81,995.18

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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.