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Finding the Fourth Proportional to 169,357.50, 254,036.37 and 43,007.22

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Solution

The fourth proportional to 169,357.50, 254,036.37 and 43,007.22 is: 64,510.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,357.50 : 254,036.37 = 43,007.22 : x
  2. Step 2: Convert to fraction form
    169,357.50/254,036.37 = 43,007.22/x
  3. Step 3: Cross multiply
    169,357.50x = 254,036.37 × 43,007.22
  4. Step 4: Simplify right side
    169,357.50x = 10,925,398,052.59
  5. Step 5: Solve for x
    x = 10,925,398,052.59/169,357.50
  6. Step 6: Final answer
    x = 64,510.86

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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.