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Finding the Fourth Proportional to 109,661.64, 151,333.29 and 59,360.64

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Solution

The fourth proportional to 109,661.64, 151,333.29 and 59,360.64 is: 81,917.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,661.64 : 151,333.29 = 59,360.64 : x
  2. Step 2: Convert to fraction form
    109,661.64/151,333.29 = 59,360.64/x
  3. Step 3: Cross multiply
    109,661.64x = 151,333.29 × 59,360.64
  4. Step 4: Simplify right side
    109,661.64x = 8,983,240,947.71
  5. Step 5: Solve for x
    x = 8,983,240,947.71/109,661.64
  6. Step 6: Final answer
    x = 81,917.81

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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.