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Finding the Fourth Proportional to 70,094.46, 96,726.98 and 39,876.93

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Solution

The fourth proportional to 70,094.46, 96,726.98 and 39,876.93 is: 55,028.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,094.46 : 96,726.98 = 39,876.93 : x
  2. Step 2: Convert to fraction form
    70,094.46/96,726.98 = 39,876.93/x
  3. Step 3: Cross multiply
    70,094.46x = 96,726.98 × 39,876.93
  4. Step 4: Simplify right side
    70,094.46x = 3,857,174,811.19
  5. Step 5: Solve for x
    x = 3,857,174,811.19/70,094.46
  6. Step 6: Final answer
    x = 55,028.24

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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.