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Finding the Fourth Proportional to 94,361.94, 130,216.59 and 51,340.32

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Solution

The fourth proportional to 94,361.94, 130,216.59 and 51,340.32 is: 70,848.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,361.94 : 130,216.59 = 51,340.32 : x
  2. Step 2: Convert to fraction form
    94,361.94/130,216.59 = 51,340.32/x
  3. Step 3: Cross multiply
    94,361.94x = 130,216.59 × 51,340.32
  4. Step 4: Simplify right side
    94,361.94x = 6,685,361,399.91
  5. Step 5: Solve for x
    x = 6,685,361,399.91/94,361.94
  6. Step 6: Final answer
    x = 70,848.07

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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.