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Finding the Fourth Proportional to 73,145.98, 109,677.93 and 23,216.77

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Solution

The fourth proportional to 73,145.98, 109,677.93 and 23,216.77 is: 34,812.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,145.98 : 109,677.93 = 23,216.77 : x
  2. Step 2: Convert to fraction form
    73,145.98/109,677.93 = 23,216.77/x
  3. Step 3: Cross multiply
    73,145.98x = 109,677.93 × 23,216.77
  4. Step 4: Simplify right side
    73,145.98x = 2,546,367,274.89
  5. Step 5: Solve for x
    x = 2,546,367,274.89/73,145.98
  6. Step 6: Final answer
    x = 34,812.13

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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.