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Finding the Fourth Proportional to 94,643.92, 130,608.35 and 54,360.28

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Solution

The fourth proportional to 94,643.92, 130,608.35 and 54,360.28 is: 75,017.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,643.92 : 130,608.35 = 54,360.28 : x
  2. Step 2: Convert to fraction form
    94,643.92/130,608.35 = 54,360.28/x
  3. Step 3: Cross multiply
    94,643.92x = 130,608.35 × 54,360.28
  4. Step 4: Simplify right side
    94,643.92x = 7,099,905,551.49
  5. Step 5: Solve for x
    x = 7,099,905,551.49/94,643.92
  6. Step 6: Final answer
    x = 75,017.03

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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.