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Finding the Fourth Proportional to 70,534.62, 105,848.01 and 33,601.50

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Solution

The fourth proportional to 70,534.62, 105,848.01 and 33,601.50 is: 50,424.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,534.62 : 105,848.01 = 33,601.50 : x
  2. Step 2: Convert to fraction form
    70,534.62/105,848.01 = 33,601.50/x
  3. Step 3: Cross multiply
    70,534.62x = 105,848.01 × 33,601.50
  4. Step 4: Simplify right side
    70,534.62x = 3,556,651,908.02
  5. Step 5: Solve for x
    x = 3,556,651,908.02/70,534.62
  6. Step 6: Final answer
    x = 50,424.20

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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.