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Finding the Fourth Proportional to 70,505.01, 105,726.38 and 33,034.87

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Solution

The fourth proportional to 70,505.01, 105,726.38 and 33,034.87 is: 49,537.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,505.01 : 105,726.38 = 33,034.87 : x
  2. Step 2: Convert to fraction form
    70,505.01/105,726.38 = 33,034.87/x
  3. Step 3: Cross multiply
    70,505.01x = 105,726.38 × 33,034.87
  4. Step 4: Simplify right side
    70,505.01x = 3,492,657,218.87
  5. Step 5: Solve for x
    x = 3,492,657,218.87/70,505.01
  6. Step 6: Final answer
    x = 49,537.72

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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.