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Finding the Fourth Proportional to 72,125.51, 108,200.62 and 22,204.63

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Solution

The fourth proportional to 72,125.51, 108,200.62 and 22,204.63 is: 33,310.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,125.51 : 108,200.62 = 22,204.63 : x
  2. Step 2: Convert to fraction form
    72,125.51/108,200.62 = 22,204.63/x
  3. Step 3: Cross multiply
    72,125.51x = 108,200.62 × 22,204.63
  4. Step 4: Simplify right side
    72,125.51x = 2,402,554,191.87
  5. Step 5: Solve for x
    x = 2,402,554,191.87/72,125.51
  6. Step 6: Final answer
    x = 33,310.74

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1.5x scale

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.