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Finding the Fourth Proportional to 70,094.51, 96,753.49 and 55,780.59

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Solution

The fourth proportional to 70,094.51, 96,753.49 and 55,780.59 is: 76,995.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,094.51 : 96,753.49 = 55,780.59 : x
  2. Step 2: Convert to fraction form
    70,094.51/96,753.49 = 55,780.59/x
  3. Step 3: Cross multiply
    70,094.51x = 96,753.49 × 55,780.59
  4. Step 4: Simplify right side
    70,094.51x = 5,396,966,980.13
  5. Step 5: Solve for x
    x = 5,396,966,980.13/70,094.51
  6. Step 6: Final answer
    x = 76,995.57

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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.