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Finding the Fourth Proportional to 94,239.74, 130,047.54 and 51,798

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Solution

The fourth proportional to 94,239.74, 130,047.54 and 51,798 is: 71,479.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,239.74 : 130,047.54 = 51,798 : x
  2. Step 2: Convert to fraction form
    94,239.74/130,047.54 = 51,798/x
  3. Step 3: Cross multiply
    94,239.74x = 130,047.54 × 51,798
  4. Step 4: Simplify right side
    94,239.74x = 6,736,202,476.92
  5. Step 5: Solve for x
    x = 6,736,202,476.92/94,239.74
  6. Step 6: Final answer
    x = 71,479.43

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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.