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Finding the Fourth Proportional to 94,459, 130,351.44 and 52,017.88

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Solution

The fourth proportional to 94,459, 130,351.44 and 52,017.88 is: 71,783.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,459 : 130,351.44 = 52,017.88 : x
  2. Step 2: Convert to fraction form
    94,459/130,351.44 = 52,017.88/x
  3. Step 3: Cross multiply
    94,459x = 130,351.44 × 52,017.88
  4. Step 4: Simplify right side
    94,459x = 6,780,605,563.75
  5. Step 5: Solve for x
    x = 6,780,605,563.75/94,459
  6. Step 6: Final answer
    x = 71,783.58

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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.