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Finding the Fourth Proportional to 79,168.88, 109,254.23 and 43,362.23

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Solution

The fourth proportional to 79,168.88, 109,254.23 and 43,362.23 is: 59,840.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,168.88 : 109,254.23 = 43,362.23 : x
  2. Step 2: Convert to fraction form
    79,168.88/109,254.23 = 43,362.23/x
  3. Step 3: Cross multiply
    79,168.88x = 109,254.23 × 43,362.23
  4. Step 4: Simplify right side
    79,168.88x = 4,737,506,611.87
  5. Step 5: Solve for x
    x = 4,737,506,611.87/79,168.88
  6. Step 6: Final answer
    x = 59,840.52

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1.5x scale

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.